214921875

素因数分解:

$3^1\times 5^7\times 7^1\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 412498944

約数和(自身を除く): 197577069

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 131, 175, 375, 393, 525, 625, 655, 875, 917, 1875, 1965, 2625, 2751, 3125, 3275, 4375, 4585, 9375, 9825, 13125, 13755, 15625, 16375, 21875, 22925, 46875, 49125, 65625, 68775, 78125, 81875, 109375, 114625, 234375, 245625, 328125, 343875, 409375, 546875, 573125, 1228125, 1640625, 1719375, 2046875, 2865625, 6140625, 8596875, 10234375, 14328125, 30703125, 42984375, 71640625, 214921875]

約数ペア:

[(1, 214921875), (3, 71640625), (5, 42984375), (7, 30703125), (15, 14328125), (21, 10234375), (25, 8596875), (35, 6140625), (75, 2865625), (105, 2046875), (125, 1719375), (131, 1640625), (175, 1228125), (375, 573125), (393, 546875), (525, 409375), (625, 343875), (655, 328125), (875, 245625), (917, 234375), (1875, 114625), (1965, 109375), (2625, 81875), (2751, 78125), (3125, 68775), (3275, 65625), (4375, 49125), (4585, 46875), (9375, 22925), (9825, 21875), (13125, 16375), (13755, 15625)]