31520235

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{433}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 52996608

約数和(自身を除く): 21476373

約数列:

[1, 3, 5, 15, 23, 69, 115, 211, 345, 433, 633, 1055, 1299, 2165, 3165, 4853, 6495, 9959, 14559, 24265, 29877, 49795, 72795, 91363, 149385, 274089, 456815, 1370445, 2101349, 6304047, 10506745, 31520235]

約数ペア:

[(1, 31520235), (3, 10506745), (5, 6304047), (15, 2101349), (23, 1370445), (69, 456815), (115, 274089), (211, 149385), (345, 91363), (433, 72795), (633, 49795), (1055, 29877), (1299, 24265), (2165, 14559), (3165, 9959), (4853, 6495)]