209854875

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{839}}^1$

素因数の和:909

約数の個数: 64

約数和(自身を含む): 377395200

約数和(自身を除く): 167540325

約数列:

[1, 3, 5, 15, 23, 25, 29, 69, 75, 87, 115, 125, 145, 345, 375, 435, 575, 667, 725, 839, 1725, 2001, 2175, 2517, 2875, 3335, 3625, 4195, 8625, 10005, 10875, 12585, 16675, 19297, 20975, 24331, 50025, 57891, 62925, 72993, 83375, 96485, 104875, 121655, 250125, 289455, 314625, 364965, 482425, 559613, 608275, 1447275, 1678839, 1824825, 2412125, 2798065, 3041375, 7236375, 8394195, 9124125, 13990325, 41970975, 69951625, 209854875]

約数ペア:

[(1, 209854875), (3, 69951625), (5, 41970975), (15, 13990325), (23, 9124125), (25, 8394195), (29, 7236375), (69, 3041375), (75, 2798065), (87, 2412125), (115, 1824825), (125, 1678839), (145, 1447275), (345, 608275), (375, 559613), (435, 482425), (575, 364965), (667, 314625), (725, 289455), (839, 250125), (1725, 121655), (2001, 104875), (2175, 96485), (2517, 83375), (2875, 72993), (3335, 62925), (3625, 57891), (4195, 50025), (8625, 24331), (10005, 20975), (10875, 19297), (12585, 16675)]