2891475

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 36

約数和(自身を含む): 5280912

約数和(自身を除く): 2389437

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 181, 213, 225, 355, 543, 639, 905, 1065, 1629, 1775, 2715, 3195, 4525, 5325, 8145, 12851, 13575, 15975, 38553, 40725, 64255, 115659, 192765, 321275, 578295, 963825, 2891475]

約数ペア:

[(1, 2891475), (3, 963825), (5, 578295), (9, 321275), (15, 192765), (25, 115659), (45, 64255), (71, 40725), (75, 38553), (181, 15975), (213, 13575), (225, 12851), (355, 8145), (543, 5325), (639, 4525), (905, 3195), (1065, 2715), (1629, 1775)]