204981609

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{145687}}^1$

素因数の和:145764

約数の個数: 16

約数和(自身を含む): 317017088

約数和(自身を除く): 112035479

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 145687, 437061, 1019809, 3059427, 9761029, 29283087, 68327203, 204981609]

約数ペア:

[(1, 204981609), (3, 68327203), (7, 29283087), (21, 9761029), (67, 3059427), (201, 1019809), (469, 437061), (1407, 145687)]