31211205

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1129}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 53155200

約数和(自身を除く): 21943995

約数列:

[1, 3, 5, 15, 19, 57, 95, 97, 285, 291, 485, 1129, 1455, 1843, 3387, 5529, 5645, 9215, 16935, 21451, 27645, 64353, 107255, 109513, 321765, 328539, 547565, 1642695, 2080747, 6242241, 10403735, 31211205]

約数ペア:

[(1, 31211205), (3, 10403735), (5, 6242241), (15, 2080747), (19, 1642695), (57, 547565), (95, 328539), (97, 321765), (285, 109513), (291, 107255), (485, 64353), (1129, 27645), (1455, 21451), (1843, 16935), (3387, 9215), (5529, 5645)]