13040475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 25117440

約数和(自身を除く): 12076965

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 59, 75, 105, 175, 177, 295, 413, 421, 525, 885, 1239, 1263, 1475, 2065, 2105, 2947, 4425, 6195, 6315, 8841, 10325, 10525, 14735, 24839, 30975, 31575, 44205, 73675, 74517, 124195, 173873, 221025, 372585, 521619, 620975, 869365, 1862925, 2608095, 4346825, 13040475]

約数ペア:

[(1, 13040475), (3, 4346825), (5, 2608095), (7, 1862925), (15, 869365), (21, 620975), (25, 521619), (35, 372585), (59, 221025), (75, 173873), (105, 124195), (175, 74517), (177, 73675), (295, 44205), (413, 31575), (421, 30975), (525, 24839), (885, 14735), (1239, 10525), (1263, 10325), (1475, 8841), (2065, 6315), (2105, 6195), (2947, 4425)]