16456875

素因数分解:

$3^1\times 5^4\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 40

約数和(自身を含む): 28041024

約数和(自身を除く): 11584149

約数列:

[1, 3, 5, 15, 25, 67, 75, 125, 131, 201, 335, 375, 393, 625, 655, 1005, 1675, 1875, 1965, 3275, 5025, 8375, 8777, 9825, 16375, 25125, 26331, 41875, 43885, 49125, 81875, 125625, 131655, 219425, 245625, 658275, 1097125, 3291375, 5485625, 16456875]

約数ペア:

[(1, 16456875), (3, 5485625), (5, 3291375), (15, 1097125), (25, 658275), (67, 245625), (75, 219425), (125, 131655), (131, 125625), (201, 81875), (335, 49125), (375, 43885), (393, 41875), (625, 26331), (655, 25125), (1005, 16375), (1675, 9825), (1875, 8777), (1965, 8375), (3275, 5025)]