64914375

素因数分解:

$3^1\times 5^4\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 109652400

約数和(自身を除く): 44738025

約数列:

[1, 3, 5, 15, 25, 75, 89, 125, 267, 375, 389, 445, 625, 1167, 1335, 1875, 1945, 2225, 5835, 6675, 9725, 11125, 29175, 33375, 34621, 48625, 55625, 103863, 145875, 166875, 173105, 243125, 519315, 729375, 865525, 2596575, 4327625, 12982875, 21638125, 64914375]

約数ペア:

[(1, 64914375), (3, 21638125), (5, 12982875), (15, 4327625), (25, 2596575), (75, 865525), (89, 729375), (125, 519315), (267, 243125), (375, 173105), (389, 166875), (445, 145875), (625, 103863), (1167, 55625), (1335, 48625), (1875, 34621), (1945, 33375), (2225, 29175), (5835, 11125), (6675, 9725)]