398227143

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 552033792

約数和(自身を除く): 153806649

約数列:

[1, 3, 71, 101, 107, 173, 213, 303, 321, 519, 7171, 7597, 10807, 12283, 17473, 18511, 21513, 22791, 32421, 36849, 52419, 55533, 767297, 1240583, 1314281, 1869611, 2301891, 3721749, 3942843, 5608833, 132742381, 398227143]

約数ペア:

[(1, 398227143), (3, 132742381), (71, 5608833), (101, 3942843), (107, 3721749), (173, 2301891), (213, 1869611), (303, 1314281), (321, 1240583), (519, 767297), (7171, 55533), (7597, 52419), (10807, 36849), (12283, 32421), (17473, 22791), (18511, 21513)]