42984375

素因数分解:

$3^1\times 5^6\times 7^1\times {\mathrm{131}}^1$

素因数の和:171

約数の個数: 56

約数和(自身を含む): 82498944

約数和(自身を除く): 39514569

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, 81875, 109375, 114625, 245625, 328125, 343875, 409375, 573125, 1228125, 1719375, 2046875, 2865625, 6140625, 8596875, 14328125, 42984375]

約数ペア:

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