56391285

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1097}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 94867200

約数和(自身を除く): 38475915

約数列:

[1, 3, 5, 15, 23, 69, 115, 149, 345, 447, 745, 1097, 2235, 3291, 3427, 5485, 10281, 16455, 17135, 25231, 51405, 75693, 126155, 163453, 378465, 490359, 817265, 2451795, 3759419, 11278257, 18797095, 56391285]

約数ペア:

[(1, 56391285), (3, 18797095), (5, 11278257), (15, 3759419), (23, 2451795), (69, 817265), (115, 490359), (149, 378465), (345, 163453), (447, 126155), (745, 75693), (1097, 51405), (2235, 25231), (3291, 17135), (3427, 16455), (5485, 10281)]