1909215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:77

約数の個数: 96

約数和(自身を含む): 4492800

約数和(自身を除く): 2583585

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 29, 33, 35, 45, 55, 57, 63, 77, 87, 95, 99, 105, 133, 145, 165, 171, 203, 209, 231, 261, 285, 315, 319, 385, 399, 435, 495, 551, 609, 627, 665, 693, 855, 957, 1015, 1045, 1155, 1197, 1305, 1463, 1595, 1653, 1827, 1881, 1995, 2233, 2755, 2871, 3045, 3135, 3465, 3857, 4389, 4785, 4959, 5985, 6061, 6699, 7315, 8265, 9135, 9405, 11165, 11571, 13167, 14355, 18183, 19285, 20097, 21945, 24795, 30305, 33495, 34713, 42427, 54549, 57855, 65835, 90915, 100485, 127281, 173565, 212135, 272745, 381843, 636405, 1909215]

約数ペア:

[(1, 1909215), (3, 636405), (5, 381843), (7, 272745), (9, 212135), (11, 173565), (15, 127281), (19, 100485), (21, 90915), (29, 65835), (33, 57855), (35, 54549), (45, 42427), (55, 34713), (57, 33495), (63, 30305), (77, 24795), (87, 21945), (95, 20097), (99, 19285), (105, 18183), (133, 14355), (145, 13167), (165, 11571), (171, 11165), (203, 9405), (209, 9135), (231, 8265), (261, 7315), (285, 6699), (315, 6061), (319, 5985), (385, 4959), (399, 4785), (435, 4389), (495, 3857), (551, 3465), (609, 3135), (627, 3045), (665, 2871), (693, 2755), (855, 2233), (957, 1995), (1015, 1881), (1045, 1827), (1155, 1653), (1197, 1595), (1305, 1463)]