31739805

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 57657600

約数和(自身を除く): 25917795

約数列:

[1, 3, 5, 9, 15, 43, 45, 47, 129, 141, 215, 235, 349, 387, 423, 645, 705, 1047, 1745, 1935, 2021, 2115, 3141, 5235, 6063, 10105, 15007, 15705, 16403, 18189, 30315, 45021, 49209, 75035, 82015, 90945, 135063, 147627, 225105, 246045, 675315, 705329, 738135, 2115987, 3526645, 6347961, 10579935, 31739805]

約数ペア:

[(1, 31739805), (3, 10579935), (5, 6347961), (9, 3526645), (15, 2115987), (43, 738135), (45, 705329), (47, 675315), (129, 246045), (141, 225105), (215, 147627), (235, 135063), (349, 90945), (387, 82015), (423, 75035), (645, 49209), (705, 45021), (1047, 30315), (1745, 18189), (1935, 16403), (2021, 15705), (2115, 15007), (3141, 10105), (5235, 6063)]