31376980551

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{995431}}^1$

素因数の和:995539

約数の個数: 32

約数和(自身を含む): 50966118400

約数和(自身を除く): 19589137849

約数列:

[1, 3, 7, 19, 21, 57, 79, 133, 237, 399, 553, 1501, 1659, 4503, 10507, 31521, 995431, 2986293, 6968017, 18913189, 20904051, 56739567, 78639049, 132392323, 235917147, 397176969, 550473343, 1494141931, 1651420029, 4482425793, 10458993517, 31376980551]

約数ペア:

[(1, 31376980551), (3, 10458993517), (7, 4482425793), (19, 1651420029), (21, 1494141931), (57, 550473343), (79, 397176969), (133, 235917147), (237, 132392323), (399, 78639049), (553, 56739567), (1501, 20904051), (1659, 18913189), (4503, 6968017), (10507, 2986293), (31521, 995431)]