744802425

素因数分解:

$3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{15541}}^1$

素因数の和:15631

約数の個数: 48

約数和(自身を含む): 1387589760

約数和(自身を除く): 642787335

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 135, 213, 225, 355, 639, 675, 1065, 1775, 1917, 3195, 5325, 9585, 15541, 15975, 46623, 47925, 77705, 139869, 233115, 388525, 419607, 699345, 1103411, 1165575, 2098035, 3310233, 3496725, 5517055, 9930699, 10490175, 16551165, 27585275, 29792097, 49653495, 82755825, 148960485, 248267475, 744802425]

約数ペア:

[(1, 744802425), (3, 248267475), (5, 148960485), (9, 82755825), (15, 49653495), (25, 29792097), (27, 27585275), (45, 16551165), (71, 10490175), (75, 9930699), (135, 5517055), (213, 3496725), (225, 3310233), (355, 2098035), (639, 1165575), (675, 1103411), (1065, 699345), (1775, 419607), (1917, 388525), (3195, 233115), (5325, 139869), (9585, 77705), (15541, 47925), (15975, 46623)]