168136875

素因数分解:

$3^2\times 5^4\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:518

約数の個数: 60

約数和(自身を含む): 308488752

約数和(自身を除く): 140351877

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 125, 213, 225, 355, 375, 421, 625, 639, 1065, 1125, 1263, 1775, 1875, 2105, 3195, 3789, 5325, 5625, 6315, 8875, 10525, 15975, 18945, 26625, 29891, 31575, 44375, 52625, 79875, 89673, 94725, 133125, 149455, 157875, 263125, 269019, 399375, 448365, 473625, 747275, 789375, 1345095, 2241825, 2368125, 3736375, 6725475, 11209125, 18681875, 33627375, 56045625, 168136875]

約数ペア:

[(1, 168136875), (3, 56045625), (5, 33627375), (9, 18681875), (15, 11209125), (25, 6725475), (45, 3736375), (71, 2368125), (75, 2241825), (125, 1345095), (213, 789375), (225, 747275), (355, 473625), (375, 448365), (421, 399375), (625, 269019), (639, 263125), (1065, 157875), (1125, 149455), (1263, 133125), (1775, 94725), (1875, 89673), (2105, 79875), (3195, 52625), (3789, 44375), (5325, 31575), (5625, 29891), (6315, 26625), (8875, 18945), (10525, 15975)]