31381890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45481}}^1$

素因数の和:45514

約数の個数: 32

約数和(自身を含む): 78592896

約数和(自身を除く): 47211006

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 45481, 90962, 136443, 227405, 272886, 454810, 682215, 1046063, 1364430, 2092126, 3138189, 5230315, 6276378, 10460630, 15690945, 31381890]

約数ペア:

[(1, 31381890), (2, 15690945), (3, 10460630), (5, 6276378), (6, 5230315), (10, 3138189), (15, 2092126), (23, 1364430), (30, 1046063), (46, 682215), (69, 454810), (115, 272886), (138, 227405), (230, 136443), (345, 90962), (690, 45481)]