640970295063

素因数分解:

$3^1\times 7^1\times {\mathrm{863}}^1\times {\mathrm{5503}}^1\times {\mathrm{6427}}^1$

素因数の和:12803

約数の個数: 32

約数和(自身を含む): 978178277376

約数和(自身を除く): 337207982313

約数列:

[1, 3, 7, 21, 863, 2589, 5503, 6041, 6427, 16509, 18123, 19281, 38521, 44989, 115563, 134967, 4749089, 5546501, 14247267, 16639503, 33243623, 35367781, 38825507, 99730869, 106103343, 116476521, 247574467, 742723401, 30522395003, 91567185009, 213656765021, 640970295063]

約数ペア:

[(1, 640970295063), (3, 213656765021), (7, 91567185009), (21, 30522395003), (863, 742723401), (2589, 247574467), (5503, 116476521), (6041, 106103343), (6427, 99730869), (16509, 38825507), (18123, 35367781), (19281, 33243623), (38521, 16639503), (44989, 14247267), (115563, 5546501), (134967, 4749089)]