163900875

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 294248448

約数和(自身を除く): 130347573

約数列:

[1, 3, 5, 15, 23, 25, 31, 69, 75, 93, 115, 125, 155, 345, 375, 465, 575, 613, 713, 775, 1725, 1839, 2139, 2325, 2875, 3065, 3565, 3875, 8625, 9195, 10695, 11625, 14099, 15325, 17825, 19003, 42297, 45975, 53475, 57009, 70495, 76625, 89125, 95015, 211485, 229875, 267375, 285045, 352475, 437069, 475075, 1057425, 1311207, 1425225, 1762375, 2185345, 2375375, 5287125, 6556035, 7126125, 10926725, 32780175, 54633625, 163900875]

約数ペア:

[(1, 163900875), (3, 54633625), (5, 32780175), (15, 10926725), (23, 7126125), (25, 6556035), (31, 5287125), (69, 2375375), (75, 2185345), (93, 1762375), (115, 1425225), (125, 1311207), (155, 1057425), (345, 475075), (375, 437069), (465, 352475), (575, 285045), (613, 267375), (713, 229875), (775, 211485), (1725, 95015), (1839, 89125), (2139, 76625), (2325, 70495), (2875, 57009), (3065, 53475), (3565, 45975), (3875, 42297), (8625, 19003), (9195, 17825), (10695, 15325), (11625, 14099)]