31311165

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1931}}^1$

素因数の和:2009

約数の個数: 32

約数和(自身を含む): 53415936

約数和(自身を除く): 22104771

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 1931, 3243, 5405, 5793, 9655, 16215, 28965, 44413, 90757, 133239, 222065, 272271, 453785, 666195, 1361355, 2087411, 6262233, 10437055, 31311165]

約数ペア:

[(1, 31311165), (3, 10437055), (5, 6262233), (15, 2087411), (23, 1361355), (47, 666195), (69, 453785), (115, 272271), (141, 222065), (235, 133239), (345, 90757), (705, 44413), (1081, 28965), (1931, 16215), (3243, 9655), (5405, 5793)]