12399375

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:429

約数の個数: 40

約数和(自身を含む): 21930480

約数和(自身を除く): 9531105

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 389, 425, 625, 1167, 1275, 1875, 1945, 2125, 5835, 6375, 6613, 9725, 10625, 19839, 29175, 31875, 33065, 48625, 99195, 145875, 165325, 243125, 495975, 729375, 826625, 2479875, 4133125, 12399375]

約数ペア:

[(1, 12399375), (3, 4133125), (5, 2479875), (15, 826625), (17, 729375), (25, 495975), (51, 243125), (75, 165325), (85, 145875), (125, 99195), (255, 48625), (375, 33065), (389, 31875), (425, 29175), (625, 19839), (1167, 10625), (1275, 9725), (1875, 6613), (1945, 6375), (2125, 5835)]