155231715

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{1867}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 260384256

約数和(自身を除く): 105152541

約数列:

[1, 3, 5, 15, 23, 69, 115, 241, 345, 723, 1205, 1867, 3615, 5543, 5601, 9335, 16629, 27715, 28005, 42941, 83145, 128823, 214705, 449947, 644115, 1349841, 2249735, 6749205, 10348781, 31046343, 51743905, 155231715]

約数ペア:

[(1, 155231715), (3, 51743905), (5, 31046343), (15, 10348781), (23, 6749205), (69, 2249735), (115, 1349841), (241, 644115), (345, 449947), (723, 214705), (1205, 128823), (1867, 83145), (3615, 42941), (5543, 28005), (5601, 27715), (9335, 16629)]