31127895

素因数分解:

$3^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{509}}^1$

素因数の和:677

約数の個数: 40

約数和(自身を含む): 56279520

約数和(自身を除く): 25151625

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 151, 405, 453, 509, 755, 1359, 1527, 2265, 2545, 4077, 4581, 6795, 7635, 12231, 13743, 20385, 22905, 41229, 61155, 68715, 76859, 206145, 230577, 384295, 691731, 1152885, 2075193, 3458655, 6225579, 10375965, 31127895]

約数ペア:

[(1, 31127895), (3, 10375965), (5, 6225579), (9, 3458655), (15, 2075193), (27, 1152885), (45, 691731), (81, 384295), (135, 230577), (151, 206145), (405, 76859), (453, 68715), (509, 61155), (755, 41229), (1359, 22905), (1527, 20385), (2265, 13743), (2545, 12231), (4077, 7635), (4581, 6795)]