2812785

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 4866048

約数和(自身を除く): 2053263

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 263, 345, 465, 713, 789, 1315, 2139, 3565, 3945, 6049, 8153, 10695, 18147, 24459, 30245, 40765, 90735, 122295, 187519, 562557, 937595, 2812785]

約数ペア:

[(1, 2812785), (3, 937595), (5, 562557), (15, 187519), (23, 122295), (31, 90735), (69, 40765), (93, 30245), (115, 24459), (155, 18147), (263, 10695), (345, 8153), (465, 6049), (713, 3945), (789, 3565), (1315, 2139)]