210855897

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{881}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 363242880

約数和(自身を除く): 152386983

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 131, 203, 261, 393, 609, 881, 917, 1179, 1827, 2643, 2751, 3799, 6167, 7929, 8253, 11397, 18501, 25549, 26593, 34191, 55503, 76647, 79779, 115411, 178843, 229941, 239337, 346233, 536529, 807877, 1038699, 1609587, 2423631, 3346919, 7270893, 10040757, 23428433, 30122271, 70285299, 210855897]

約数ペア:

[(1, 210855897), (3, 70285299), (7, 30122271), (9, 23428433), (21, 10040757), (29, 7270893), (63, 3346919), (87, 2423631), (131, 1609587), (203, 1038699), (261, 807877), (393, 536529), (609, 346233), (881, 239337), (917, 229941), (1179, 178843), (1827, 115411), (2643, 79779), (2751, 76647), (3799, 55503), (6167, 34191), (7929, 26593), (8253, 25549), (11397, 18501)]