780317631

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{507029}}^1$

素因数の和:507060

約数の個数: 20

約数和(自身を含む): 1227012600

約数和(自身を除く): 446694969

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 507029, 1521087, 4563261, 9633551, 13689783, 28900653, 41069349, 86701959, 260105877, 780317631]

約数ペア:

[(1, 780317631), (3, 260105877), (9, 86701959), (19, 41069349), (27, 28900653), (57, 13689783), (81, 9633551), (171, 4563261), (513, 1521087), (1539, 507029)]