31880625

素因数分解:

$3^1\times 5^4\times 7^2\times {\mathrm{347}}^1$

素因数の和:384

約数の個数: 60

約数和(自身を含む): 61967664

約数和(自身を除く): 30087039

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 125, 147, 175, 245, 347, 375, 525, 625, 735, 875, 1041, 1225, 1735, 1875, 2429, 2625, 3675, 4375, 5205, 6125, 7287, 8675, 12145, 13125, 17003, 18375, 26025, 30625, 36435, 43375, 51009, 60725, 85015, 91875, 130125, 182175, 216875, 255045, 303625, 425075, 650625, 910875, 1275225, 1518125, 2125375, 4554375, 6376125, 10626875, 31880625]

約数ペア:

[(1, 31880625), (3, 10626875), (5, 6376125), (7, 4554375), (15, 2125375), (21, 1518125), (25, 1275225), (35, 910875), (49, 650625), (75, 425075), (105, 303625), (125, 255045), (147, 216875), (175, 182175), (245, 130125), (347, 91875), (375, 85015), (525, 60725), (625, 51009), (735, 43375), (875, 36435), (1041, 30625), (1225, 26025), (1735, 18375), (1875, 17003), (2429, 13125), (2625, 12145), (3675, 8675), (4375, 7287), (5205, 6125)]