206259375

素因数分解:

$3^1\times 5^5\times 7^2\times {\mathrm{449}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 400755600

約数和(自身を除く): 194496225

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 125, 147, 175, 245, 375, 449, 525, 625, 735, 875, 1225, 1347, 1875, 2245, 2625, 3125, 3143, 3675, 4375, 6125, 6735, 9375, 9429, 11225, 13125, 15715, 18375, 21875, 22001, 30625, 33675, 47145, 56125, 65625, 66003, 78575, 91875, 110005, 153125, 168375, 235725, 280625, 330015, 392875, 459375, 550025, 841875, 1178625, 1403125, 1650075, 1964375, 2750125, 4209375, 5893125, 8250375, 9821875, 13750625, 29465625, 41251875, 68753125, 206259375]

約数ペア:

[(1, 206259375), (3, 68753125), (5, 41251875), (7, 29465625), (15, 13750625), (21, 9821875), (25, 8250375), (35, 5893125), (49, 4209375), (75, 2750125), (105, 1964375), (125, 1650075), (147, 1403125), (175, 1178625), (245, 841875), (375, 550025), (449, 459375), (525, 392875), (625, 330015), (735, 280625), (875, 235725), (1225, 168375), (1347, 153125), (1875, 110005), (2245, 91875), (2625, 78575), (3125, 66003), (3143, 65625), (3675, 56125), (4375, 47145), (6125, 33675), (6735, 30625), (9375, 22001), (9429, 21875), (11225, 18375), (13125, 15715)]