17728425

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:88

約数の個数: 144

約数和(自身を含む): 40622400

約数和(自身を除く): 22893975

約数列:

[1, 3, 5, 9, 11, 13, 15, 19, 25, 29, 33, 39, 45, 55, 57, 65, 75, 87, 95, 99, 117, 143, 145, 165, 171, 195, 209, 225, 247, 261, 275, 285, 319, 325, 377, 429, 435, 475, 495, 551, 585, 627, 715, 725, 741, 825, 855, 957, 975, 1045, 1131, 1235, 1287, 1305, 1425, 1595, 1653, 1881, 1885, 2145, 2175, 2223, 2475, 2717, 2755, 2871, 2925, 3135, 3393, 3575, 3705, 4147, 4275, 4785, 4959, 5225, 5655, 6061, 6175, 6435, 6525, 7163, 7975, 8151, 8265, 9405, 9425, 10725, 11115, 12441, 13585, 13775, 14355, 15675, 16965, 18183, 18525, 20735, 21489, 23925, 24453, 24795, 28275, 30305, 32175, 35815, 37323, 40755, 41325, 47025, 54549, 55575, 62205, 64467, 67925, 71775, 78793, 84825, 90915, 103675, 107445, 122265, 123975, 151525, 179075, 186615, 203775, 236379, 272745, 311025, 322335, 393965, 454575, 537225, 611325, 709137, 933075, 1181895, 1363725, 1611675, 1969825, 3545685, 5909475, 17728425]

約数ペア:

[(1, 17728425), (3, 5909475), (5, 3545685), (9, 1969825), (11, 1611675), (13, 1363725), (15, 1181895), (19, 933075), (25, 709137), (29, 611325), (33, 537225), (39, 454575), (45, 393965), (55, 322335), (57, 311025), (65, 272745), (75, 236379), (87, 203775), (95, 186615), (99, 179075), (117, 151525), (143, 123975), (145, 122265), (165, 107445), (171, 103675), (195, 90915), (209, 84825), (225, 78793), (247, 71775), (261, 67925), (275, 64467), (285, 62205), (319, 55575), (325, 54549), (377, 47025), (429, 41325), (435, 40755), (475, 37323), (495, 35815), (551, 32175), (585, 30305), (627, 28275), (715, 24795), (725, 24453), (741, 23925), (825, 21489), (855, 20735), (957, 18525), (975, 18183), (1045, 16965), (1131, 15675), (1235, 14355), (1287, 13775), (1305, 13585), (1425, 12441), (1595, 11115), (1653, 10725), (1881, 9425), (1885, 9405), (2145, 8265), (2175, 8151), (2223, 7975), (2475, 7163), (2717, 6525), (2755, 6435), (2871, 6175), (2925, 6061), (3135, 5655), (3393, 5225), (3575, 4959), (3705, 4785), (4147, 4275)]