390609

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 32

約数和(自身を含む): 656640

約数和(自身を除く): 266031

約数列:

[1, 3, 9, 17, 23, 27, 37, 51, 69, 111, 153, 207, 333, 391, 459, 621, 629, 851, 999, 1173, 1887, 2553, 3519, 5661, 7659, 10557, 14467, 16983, 22977, 43401, 130203, 390609]

約数ペア:

[(1, 390609), (3, 130203), (9, 43401), (17, 22977), (23, 16983), (27, 14467), (37, 10557), (51, 7659), (69, 5661), (111, 3519), (153, 2553), (207, 1887), (333, 1173), (391, 999), (459, 851), (621, 629)]