31271375

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 41558400

約数和(自身を除く): 10287025

約数列:

[1, 5, 23, 25, 73, 115, 125, 149, 365, 575, 745, 1679, 1825, 2875, 3427, 3725, 8395, 9125, 10877, 17135, 18625, 41975, 54385, 85675, 209875, 250171, 271925, 428375, 1250855, 1359625, 6254275, 31271375]

約数ペア:

[(1, 31271375), (5, 6254275), (23, 1359625), (25, 1250855), (73, 428375), (115, 271925), (125, 250171), (149, 209875), (365, 85675), (575, 54385), (745, 41975), (1679, 18625), (1825, 17135), (2875, 10877), (3427, 9125), (3725, 8395)]