16696875

素因数分解:

$3^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 30185568

約数和(自身を除く): 13488693

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 137, 195, 325, 375, 411, 625, 685, 975, 1625, 1781, 1875, 2055, 3125, 3425, 4875, 5343, 8125, 8905, 9375, 10275, 17125, 24375, 26715, 40625, 44525, 51375, 85625, 121875, 133575, 222625, 256875, 428125, 667875, 1113125, 1284375, 3339375, 5565625, 16696875]

約数ペア:

[(1, 16696875), (3, 5565625), (5, 3339375), (13, 1284375), (15, 1113125), (25, 667875), (39, 428125), (65, 256875), (75, 222625), (125, 133575), (137, 121875), (195, 85625), (325, 51375), (375, 44525), (411, 40625), (625, 26715), (685, 24375), (975, 17125), (1625, 10275), (1781, 9375), (1875, 8905), (2055, 8125), (3125, 5343), (3425, 4875)]