31427475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{157}}^2$

素因数の和:344

約数の個数: 36

約数和(自身を含む): 55369224

約数和(自身を除く): 23941749

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 157, 255, 425, 471, 785, 1275, 2355, 2669, 3925, 8007, 11775, 13345, 24649, 40035, 66725, 73947, 123245, 200175, 369735, 419033, 616225, 1257099, 1848675, 2095165, 6285495, 10475825, 31427475]

約数ペア:

[(1, 31427475), (3, 10475825), (5, 6285495), (15, 2095165), (17, 1848675), (25, 1257099), (51, 616225), (75, 419033), (85, 369735), (157, 200175), (255, 123245), (425, 73947), (471, 66725), (785, 40035), (1275, 24649), (2355, 13345), (2669, 11775), (3925, 8007)]