331047

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 20

約数和(自身を含む): 510136

約数和(自身を除く): 179089

約数列:

[1, 3, 9, 27, 61, 67, 81, 183, 201, 549, 603, 1647, 1809, 4087, 4941, 5427, 12261, 36783, 110349, 331047]

約数ペア:

[(1, 331047), (3, 110349), (9, 36783), (27, 12261), (61, 5427), (67, 4941), (81, 4087), (183, 1809), (201, 1647), (549, 603)]