15200745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2039}}^1$

素因数の和:2125

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 13000215

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2039, 2485, 6117, 7455, 10195, 14273, 30585, 42819, 71365, 144769, 214095, 434307, 723845, 1013383, 2171535, 3040149, 5066915, 15200745]

約数ペア:

[(1, 15200745), (3, 5066915), (5, 3040149), (7, 2171535), (15, 1013383), (21, 723845), (35, 434307), (71, 214095), (105, 144769), (213, 71365), (355, 42819), (497, 30585), (1065, 14273), (1491, 10195), (2039, 7455), (2485, 6117)]