31215645

素因数分解:

$3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2161}}^1$

素因数の和:2282

約数の個数: 32

約数和(自身を含む): 56039040

約数和(自身を除く): 24823395

約数列:

[1, 3, 5, 9, 15, 27, 45, 107, 135, 321, 535, 963, 1605, 2161, 2889, 4815, 6483, 10805, 14445, 19449, 32415, 58347, 97245, 231227, 291735, 693681, 1156135, 2081043, 3468405, 6243129, 10405215, 31215645]

約数ペア:

[(1, 31215645), (3, 10405215), (5, 6243129), (9, 3468405), (15, 2081043), (27, 1156135), (45, 693681), (107, 291735), (135, 231227), (321, 97245), (535, 58347), (963, 32415), (1605, 19449), (2161, 14445), (2889, 10805), (4815, 6483)]