15481505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 21288960

約数和(自身を除く): 5807455

約数列:

[1, 5, 13, 29, 43, 65, 145, 191, 215, 377, 559, 955, 1247, 1885, 2483, 2795, 5539, 6235, 8213, 12415, 16211, 27695, 41065, 72007, 81055, 106769, 238177, 360035, 533845, 1190885, 3096301, 15481505]

約数ペア:

[(1, 15481505), (5, 3096301), (13, 1190885), (29, 533845), (43, 360035), (65, 238177), (145, 106769), (191, 81055), (215, 72007), (377, 41065), (559, 27695), (955, 16211), (1247, 12415), (1885, 8213), (2483, 6235), (2795, 5539)]