15945215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 23284800

約数和(自身を除く): 7339585

約数列:

[1, 5, 11, 13, 29, 55, 65, 143, 145, 319, 377, 715, 769, 1595, 1885, 3845, 4147, 8459, 9997, 20735, 22301, 42295, 49985, 109967, 111505, 245311, 289913, 549835, 1226555, 1449565, 3189043, 15945215]

約数ペア:

[(1, 15945215), (5, 3189043), (11, 1449565), (13, 1226555), (29, 549835), (55, 289913), (65, 245311), (143, 111505), (145, 109967), (319, 49985), (377, 42295), (715, 22301), (769, 20735), (1595, 9997), (1885, 8459), (3845, 4147)]