15180915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1609}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 26429760

約数和(自身を除く): 11248845

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1609, 1887, 3145, 4827, 8045, 9435, 24135, 27353, 59533, 82059, 136765, 178599, 297665, 410295, 892995, 1012061, 3036183, 5060305, 15180915]

約数ペア:

[(1, 15180915), (3, 5060305), (5, 3036183), (15, 1012061), (17, 892995), (37, 410295), (51, 297665), (85, 178599), (111, 136765), (185, 82059), (255, 59533), (555, 27353), (629, 24135), (1609, 9435), (1887, 8045), (3145, 4827)]