31133115

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2801}}^1$

素因数の和:2844

約数の個数: 48

約数和(自身を含む): 61195680

約数和(自身を除く): 30062565

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 2801, 3705, 8403, 11115, 14005, 25209, 36413, 42015, 53219, 109239, 126045, 159657, 182065, 266095, 327717, 478971, 546195, 691847, 798285, 1638585, 2075541, 2394855, 3459235, 6226623, 10377705, 31133115]

約数ペア:

[(1, 31133115), (3, 10377705), (5, 6226623), (9, 3459235), (13, 2394855), (15, 2075541), (19, 1638585), (39, 798285), (45, 691847), (57, 546195), (65, 478971), (95, 327717), (117, 266095), (171, 182065), (195, 159657), (247, 126045), (285, 109239), (585, 53219), (741, 42015), (855, 36413), (1235, 25209), (2223, 14005), (2801, 11115), (3705, 8403)]