2971475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 4083072

約数和(自身を除く): 1111597

約数列:

[1, 5, 13, 25, 41, 65, 205, 223, 325, 533, 1025, 1115, 2665, 2899, 5575, 9143, 13325, 14495, 45715, 72475, 118859, 228575, 594295, 2971475]

約数ペア:

[(1, 2971475), (5, 594295), (13, 228575), (25, 118859), (41, 72475), (65, 45715), (205, 14495), (223, 13325), (325, 9143), (533, 5575), (1025, 2899), (1115, 2665)]