31488765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 63590400

約数和(自身を除く): 32101635

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 137, 165, 199, 231, 385, 411, 597, 685, 959, 995, 1155, 1393, 1507, 2055, 2189, 2877, 2985, 4179, 4521, 4795, 6567, 6965, 7535, 10549, 10945, 14385, 15323, 20895, 22605, 27263, 31647, 32835, 45969, 52745, 76615, 81789, 136315, 158235, 190841, 229845, 299893, 408945, 572523, 899679, 954205, 1499465, 2099251, 2862615, 4498395, 6297753, 10496255, 31488765]

約数ペア:

[(1, 31488765), (3, 10496255), (5, 6297753), (7, 4498395), (11, 2862615), (15, 2099251), (21, 1499465), (33, 954205), (35, 899679), (55, 572523), (77, 408945), (105, 299893), (137, 229845), (165, 190841), (199, 158235), (231, 136315), (385, 81789), (411, 76615), (597, 52745), (685, 45969), (959, 32835), (995, 31647), (1155, 27263), (1393, 22605), (1507, 20895), (2055, 15323), (2189, 14385), (2877, 10945), (2985, 10549), (4179, 7535), (4521, 6965), (4795, 6567)]