51796875

素因数分解:

$3^1\times 5^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:68

約数の個数: 64

約数和(自身を含む): 98437248

約数和(自身を除く): 46640373

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 125, 195, 221, 255, 325, 375, 425, 625, 663, 975, 1105, 1275, 1625, 1875, 2125, 3125, 3315, 4875, 5525, 6375, 8125, 9375, 10625, 15625, 16575, 24375, 27625, 31875, 40625, 46875, 53125, 78125, 82875, 121875, 138125, 159375, 203125, 234375, 265625, 414375, 609375, 690625, 796875, 1015625, 1328125, 2071875, 3046875, 3453125, 3984375, 10359375, 17265625, 51796875]

約数ペア:

[(1, 51796875), (3, 17265625), (5, 10359375), (13, 3984375), (15, 3453125), (17, 3046875), (25, 2071875), (39, 1328125), (51, 1015625), (65, 796875), (75, 690625), (85, 609375), (125, 414375), (195, 265625), (221, 234375), (255, 203125), (325, 159375), (375, 138125), (425, 121875), (625, 82875), (663, 78125), (975, 53125), (1105, 46875), (1275, 40625), (1625, 31875), (1875, 27625), (2125, 24375), (3125, 16575), (3315, 15625), (4875, 10625), (5525, 9375), (6375, 8125)]