64479375

素因数分解:

$3^3\times 5^4\times {\mathrm{3821}}^1$

素因数の和:3850

約数の個数: 40

約数和(自身を含む): 119399280

約数和(自身を除く): 54919905

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 1125, 1875, 3375, 3821, 5625, 11463, 16875, 19105, 34389, 57315, 95525, 103167, 171945, 286575, 477625, 515835, 859725, 1432875, 2388125, 2579175, 4298625, 7164375, 12895875, 21493125, 64479375]

約数ペア:

[(1, 64479375), (3, 21493125), (5, 12895875), (9, 7164375), (15, 4298625), (25, 2579175), (27, 2388125), (45, 1432875), (75, 859725), (125, 515835), (135, 477625), (225, 286575), (375, 171945), (625, 103167), (675, 95525), (1125, 57315), (1875, 34389), (3375, 19105), (3821, 16875), (5625, 11463)]