18013125

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{739}}^1$

素因数の和:775

約数の個数: 40

約数和(自身を含む): 32364640

約数和(自身を除く): 14351515

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 625, 739, 975, 1625, 1875, 2217, 3695, 4875, 8125, 9607, 11085, 18475, 24375, 28821, 48035, 55425, 92375, 144105, 240175, 277125, 461875, 720525, 1200875, 1385625, 3602625, 6004375, 18013125]

約数ペア:

[(1, 18013125), (3, 6004375), (5, 3602625), (13, 1385625), (15, 1200875), (25, 720525), (39, 461875), (65, 277125), (75, 240175), (125, 144105), (195, 92375), (325, 55425), (375, 48035), (625, 28821), (739, 24375), (975, 18475), (1625, 11085), (1875, 9607), (2217, 8125), (3695, 4875)]