1640541693

素因数分解:

$3^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{149371}}^1$

素因数の和:149904

約数の個数: 16

約数和(自身を含む): 2504669696

約数和(自身を除く): 864128003

約数列:

[1, 3, 7, 21, 523, 1569, 3661, 10983, 149371, 448113, 1045597, 3136791, 78121033, 234363099, 546847231, 1640541693]

約数ペア:

[(1, 1640541693), (3, 546847231), (7, 234363099), (21, 78121033), (523, 3136791), (1569, 1045597), (3661, 448113), (10983, 149371)]