163901961

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{379}}^1$

素因数の和:691

約数の個数: 40

約数和(自身を含む): 259327200

約数和(自身を除く): 95425239

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 281, 379, 513, 843, 1137, 1539, 2529, 3411, 5339, 7201, 7587, 10233, 16017, 21603, 22761, 30699, 48051, 64809, 106499, 144153, 194427, 319497, 432459, 583281, 958491, 2023481, 2875473, 6070443, 8626419, 18211329, 54633987, 163901961]

約数ペア:

[(1, 163901961), (3, 54633987), (9, 18211329), (19, 8626419), (27, 6070443), (57, 2875473), (81, 2023481), (171, 958491), (281, 583281), (379, 432459), (513, 319497), (843, 194427), (1137, 144153), (1539, 106499), (2529, 64809), (3411, 48051), (5339, 30699), (7201, 22761), (7587, 21603), (10233, 16017)]