389151

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:116

約数の個数: 32

約数和(自身を含む): 691200

約数和(自身を除く): 302049

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 71, 87, 189, 203, 213, 261, 497, 609, 639, 783, 1491, 1827, 1917, 2059, 4473, 5481, 6177, 13419, 14413, 18531, 43239, 55593, 129717, 389151]

約数ペア:

[(1, 389151), (3, 129717), (7, 55593), (9, 43239), (21, 18531), (27, 14413), (29, 13419), (63, 6177), (71, 5481), (87, 4473), (189, 2059), (203, 1917), (213, 1827), (261, 1491), (497, 783), (609, 639)]