13020975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{5261}}^1$

素因数の和:5288

約数の個数: 36

約数和(自身を含む): 25447032

約数和(自身を除く): 12426057

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 5261, 15783, 26305, 47349, 57871, 78915, 131525, 173613, 236745, 289355, 394575, 520839, 868065, 1183725, 1446775, 2604195, 4340325, 13020975]

約数ペア:

[(1, 13020975), (3, 4340325), (5, 2604195), (9, 1446775), (11, 1183725), (15, 868065), (25, 520839), (33, 394575), (45, 289355), (55, 236745), (75, 173613), (99, 131525), (165, 78915), (225, 57871), (275, 47349), (495, 26305), (825, 15783), (2475, 5261)]