15195915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2576

約数の個数: 48

約数和(自身を含む): 31699200

約数和(自身を除く): 16503285

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 2539, 5985, 7617, 12695, 17773, 22851, 38085, 48241, 53319, 88865, 114255, 144723, 159957, 241205, 266595, 337687, 434169, 723615, 799785, 1013061, 1688435, 2170845, 3039183, 5065305, 15195915]

約数ペア:

[(1, 15195915), (3, 5065305), (5, 3039183), (7, 2170845), (9, 1688435), (15, 1013061), (19, 799785), (21, 723615), (35, 434169), (45, 337687), (57, 266595), (63, 241205), (95, 159957), (105, 144723), (133, 114255), (171, 88865), (285, 53319), (315, 48241), (399, 38085), (665, 22851), (855, 17773), (1197, 12695), (1995, 7617), (2539, 5985)]