291242925

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{22709}}^1$

素因数の和:22747

約数の個数: 48

約数和(自身を含む): 563208000

約数和(自身を除く): 271965075

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1425, 2565, 4275, 12825, 22709, 68127, 113545, 204381, 340635, 431471, 567725, 613143, 1021905, 1294413, 1703175, 2157355, 3065715, 3883239, 5109525, 6472065, 10786775, 11649717, 15328575, 19416195, 32360325, 58248585, 97080975, 291242925]

約数ペア:

[(1, 291242925), (3, 97080975), (5, 58248585), (9, 32360325), (15, 19416195), (19, 15328575), (25, 11649717), (27, 10786775), (45, 6472065), (57, 5109525), (75, 3883239), (95, 3065715), (135, 2157355), (171, 1703175), (225, 1294413), (285, 1021905), (475, 613143), (513, 567725), (675, 431471), (855, 340635), (1425, 204381), (2565, 113545), (4275, 68127), (12825, 22709)]