218318913

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{577}}^1\times {\mathrm{2473}}^1$

素因数の和:3073

約数の個数: 24

約数和(自身を含む): 334613448

約数和(自身を除く): 116294535

約数列:

[1, 3, 9, 17, 51, 153, 577, 1731, 2473, 5193, 7419, 9809, 22257, 29427, 42041, 88281, 126123, 378369, 1426921, 4280763, 12842289, 24257657, 72772971, 218318913]

約数ペア:

[(1, 218318913), (3, 72772971), (9, 24257657), (17, 12842289), (51, 4280763), (153, 1426921), (577, 378369), (1731, 126123), (2473, 88281), (5193, 42041), (7419, 29427), (9809, 22257)]