1321570377

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{730553}}^1$

素因数の和:730629

約数の個数: 16

約数和(自身を含む): 1987106880

約数和(自身を除く): 665536503

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 730553, 2191659, 6574977, 19724931, 48947051, 146841153, 440523459, 1321570377]

約数ペア:

[(1, 1321570377), (3, 440523459), (9, 146841153), (27, 48947051), (67, 19724931), (201, 6574977), (603, 2191659), (1809, 730553)]