208950075

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1033}}^1$

素因数の和:1109

約数の個数: 72

約数和(自身を含む): 400033920

約数和(自身を除く): 191083845

約数列:

[1, 3, 5, 9, 15, 25, 29, 31, 45, 75, 87, 93, 145, 155, 225, 261, 279, 435, 465, 725, 775, 899, 1033, 1305, 1395, 2175, 2325, 2697, 3099, 4495, 5165, 6525, 6975, 8091, 9297, 13485, 15495, 22475, 25825, 29957, 32023, 40455, 46485, 67425, 77475, 89871, 96069, 149785, 160115, 202275, 232425, 269613, 288207, 449355, 480345, 748925, 800575, 928667, 1348065, 1441035, 2246775, 2401725, 2786001, 4643335, 6740325, 7205175, 8358003, 13930005, 23216675, 41790015, 69650025, 208950075]

約数ペア:

[(1, 208950075), (3, 69650025), (5, 41790015), (9, 23216675), (15, 13930005), (25, 8358003), (29, 7205175), (31, 6740325), (45, 4643335), (75, 2786001), (87, 2401725), (93, 2246775), (145, 1441035), (155, 1348065), (225, 928667), (261, 800575), (279, 748925), (435, 480345), (465, 449355), (725, 288207), (775, 269613), (899, 232425), (1033, 202275), (1305, 160115), (1395, 149785), (2175, 96069), (2325, 89871), (2697, 77475), (3099, 67425), (4495, 46485), (5165, 40455), (6525, 32023), (6975, 29957), (8091, 25825), (9297, 22475), (13485, 15495)]