120105

素因数分解:

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

素因数の和:185

約数の個数: 24

約数和(自身を含む): 221832

約数和(自身を除く): 101727

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 157, 255, 471, 765, 785, 1413, 2355, 2669, 7065, 8007, 13345, 24021, 40035, 120105]

約数ペア:

[(1, 120105), (3, 40035), (5, 24021), (9, 13345), (15, 8007), (17, 7065), (45, 2669), (51, 2355), (85, 1413), (153, 785), (157, 765), (255, 471)]