1800000015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{39383}}^1$

素因数の和:39679

約数の個数: 32

約数和(自身を含む): 3153240576

約数和(自身を除く): 1353240561

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 277, 831, 1385, 3047, 4155, 9141, 15235, 39383, 45705, 118149, 196915, 433213, 590745, 1299639, 2166065, 6498195, 10909091, 32727273, 54545455, 120000001, 163636365, 360000003, 600000005, 1800000015]

約数ペア:

[(1, 1800000015), (3, 600000005), (5, 360000003), (11, 163636365), (15, 120000001), (33, 54545455), (55, 32727273), (165, 10909091), (277, 6498195), (831, 2166065), (1385, 1299639), (3047, 590745), (4155, 433213), (9141, 196915), (15235, 118149), (39383, 45705)]