661193131875

素因数分解:

$3^1\times 5^4\times {\mathrm{2437}}^1\times {\mathrm{144701}}^1$

素因数の和:147161

約数の個数: 40

約数和(自身を含む): 1102095579024

約数和(自身を除く): 440902447149

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 2437, 7311, 12185, 36555, 60925, 144701, 182775, 304625, 434103, 723505, 913875, 1523125, 2170515, 3617525, 4569375, 10852575, 18087625, 54262875, 90438125, 271314375, 352636337, 1057909011, 1763181685, 5289545055, 8815908425, 26447725275, 44079542125, 132238626375, 220397710625, 661193131875]

約数ペア:

[(1, 661193131875), (3, 220397710625), (5, 132238626375), (15, 44079542125), (25, 26447725275), (75, 8815908425), (125, 5289545055), (375, 1763181685), (625, 1057909011), (1875, 352636337), (2437, 271314375), (7311, 90438125), (12185, 54262875), (36555, 18087625), (60925, 10852575), (144701, 4569375), (182775, 3617525), (304625, 2170515), (434103, 1523125), (723505, 913875)]