819375

素因数分解:

$3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:65

約数の個数: 40

約数和(自身を含む): 1499520

約数和(自身を除く): 680145

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 125, 285, 345, 375, 437, 475, 575, 625, 1311, 1425, 1725, 1875, 2185, 2375, 2875, 6555, 7125, 8625, 10925, 11875, 14375, 32775, 35625, 43125, 54625, 163875, 273125, 819375]

約数ペア:

[(1, 819375), (3, 273125), (5, 163875), (15, 54625), (19, 43125), (23, 35625), (25, 32775), (57, 14375), (69, 11875), (75, 10925), (95, 8625), (115, 7125), (125, 6555), (285, 2875), (345, 2375), (375, 2185), (437, 1875), (475, 1725), (575, 1425), (625, 1311)]