657189897

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{12473}}^1$

素因数の和:12689

約数の個数: 32

約数和(自身を含む): 1084140288

約数和(自身を除く): 426950391

約数列:

[1, 3, 7, 13, 21, 39, 91, 193, 273, 579, 1351, 2509, 4053, 7527, 12473, 17563, 37419, 52689, 87311, 162149, 261933, 486447, 1135043, 2407289, 3405129, 7221867, 16851023, 31294757, 50553069, 93884271, 219063299, 657189897]

約数ペア:

[(1, 657189897), (3, 219063299), (7, 93884271), (13, 50553069), (21, 31294757), (39, 16851023), (91, 7221867), (193, 3405129), (273, 2407289), (579, 1135043), (1351, 486447), (2509, 261933), (4053, 162149), (7527, 87311), (12473, 52689), (17563, 37419)]