2225025

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 4642560

約数和(自身を除く): 2417535

約数列:

[1, 3, 5, 9, 11, 15, 25, 29, 31, 33, 45, 55, 75, 87, 93, 99, 145, 155, 165, 225, 261, 275, 279, 319, 341, 435, 465, 495, 725, 775, 825, 899, 957, 1023, 1305, 1395, 1595, 1705, 2175, 2325, 2475, 2697, 2871, 3069, 4495, 4785, 5115, 6525, 6975, 7975, 8091, 8525, 9889, 13485, 14355, 15345, 22475, 23925, 25575, 29667, 40455, 49445, 67425, 71775, 76725, 89001, 148335, 202275, 247225, 445005, 741675, 2225025]

約数ペア:

[(1, 2225025), (3, 741675), (5, 445005), (9, 247225), (11, 202275), (15, 148335), (25, 89001), (29, 76725), (31, 71775), (33, 67425), (45, 49445), (55, 40455), (75, 29667), (87, 25575), (93, 23925), (99, 22475), (145, 15345), (155, 14355), (165, 13485), (225, 9889), (261, 8525), (275, 8091), (279, 7975), (319, 6975), (341, 6525), (435, 5115), (465, 4785), (495, 4495), (725, 3069), (775, 2871), (825, 2697), (899, 2475), (957, 2325), (1023, 2175), (1305, 1705), (1395, 1595)]