15689163

素因数分解:

$3^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 24832000

約数和(自身を除く): 9142837

約数列:

[1, 3, 7, 21, 49, 79, 147, 193, 237, 343, 553, 579, 1029, 1351, 1659, 3871, 4053, 9457, 11613, 15247, 27097, 28371, 45741, 66199, 81291, 106729, 198597, 320187, 747103, 2241309, 5229721, 15689163]

約数ペア:

[(1, 15689163), (3, 5229721), (7, 2241309), (21, 747103), (49, 320187), (79, 198597), (147, 106729), (193, 81291), (237, 66199), (343, 45741), (553, 28371), (579, 27097), (1029, 15247), (1351, 11613), (1659, 9457), (3871, 4053)]