25396875

素因数分解:

$3^3\times 5^5\times 7^1\times {\mathrm{43}}^1$

素因数の和:84

約数の個数: 96

約数和(自身を含む): 54996480

約数和(自身を除く): 29599605

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 43, 45, 63, 75, 105, 125, 129, 135, 175, 189, 215, 225, 301, 315, 375, 387, 525, 625, 645, 675, 875, 903, 945, 1075, 1125, 1161, 1505, 1575, 1875, 1935, 2625, 2709, 3125, 3225, 3375, 4375, 4515, 4725, 5375, 5625, 5805, 7525, 7875, 8127, 9375, 9675, 13125, 13545, 16125, 16875, 21875, 22575, 23625, 26875, 28125, 29025, 37625, 39375, 40635, 48375, 65625, 67725, 80625, 84375, 112875, 118125, 134375, 145125, 188125, 196875, 203175, 241875, 338625, 403125, 564375, 590625, 725625, 940625, 1015875, 1209375, 1693125, 2821875, 3628125, 5079375, 8465625, 25396875]

約数ペア:

[(1, 25396875), (3, 8465625), (5, 5079375), (7, 3628125), (9, 2821875), (15, 1693125), (21, 1209375), (25, 1015875), (27, 940625), (35, 725625), (43, 590625), (45, 564375), (63, 403125), (75, 338625), (105, 241875), (125, 203175), (129, 196875), (135, 188125), (175, 145125), (189, 134375), (215, 118125), (225, 112875), (301, 84375), (315, 80625), (375, 67725), (387, 65625), (525, 48375), (625, 40635), (645, 39375), (675, 37625), (875, 29025), (903, 28125), (945, 26875), (1075, 23625), (1125, 22575), (1161, 21875), (1505, 16875), (1575, 16125), (1875, 13545), (1935, 13125), (2625, 9675), (2709, 9375), (3125, 8127), (3225, 7875), (3375, 7525), (4375, 5805), (4515, 5625), (4725, 5375)]