40780125

素因数分解:

$3^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 77425920

約数和(自身を除く): 36645795

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 125, 129, 135, 215, 225, 281, 375, 387, 645, 675, 843, 1075, 1125, 1161, 1405, 1935, 2529, 3225, 3375, 4215, 5375, 5805, 7025, 7587, 9675, 12083, 12645, 16125, 21075, 29025, 35125, 36249, 37935, 48375, 60415, 63225, 105375, 108747, 145125, 181245, 189675, 302075, 316125, 326241, 543735, 906225, 948375, 1510375, 1631205, 2718675, 4531125, 8156025, 13593375, 40780125]

約数ペア:

[(1, 40780125), (3, 13593375), (5, 8156025), (9, 4531125), (15, 2718675), (25, 1631205), (27, 1510375), (43, 948375), (45, 906225), (75, 543735), (125, 326241), (129, 316125), (135, 302075), (215, 189675), (225, 181245), (281, 145125), (375, 108747), (387, 105375), (645, 63225), (675, 60415), (843, 48375), (1075, 37935), (1125, 36249), (1161, 35125), (1405, 29025), (1935, 21075), (2529, 16125), (3225, 12645), (3375, 12083), (4215, 9675), (5375, 7587), (5805, 7025)]