31988115

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4157}}^1$

素因数の和:4193

約数の個数: 40

約数和(自身を含む): 60374160

約数和(自身を除く): 28386045

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 4157, 7695, 12471, 20785, 37413, 62355, 78983, 112239, 187065, 236949, 336717, 394915, 561195, 710847, 1184745, 1683585, 2132541, 3554235, 6397623, 10662705, 31988115]

約数ペア:

[(1, 31988115), (3, 10662705), (5, 6397623), (9, 3554235), (15, 2132541), (19, 1683585), (27, 1184745), (45, 710847), (57, 561195), (81, 394915), (95, 336717), (135, 236949), (171, 187065), (285, 112239), (405, 78983), (513, 62355), (855, 37413), (1539, 20785), (2565, 12471), (4157, 7695)]