31540671

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 18778689

約数列:

[1, 3, 9, 27, 31, 53, 79, 81, 93, 159, 237, 243, 279, 477, 711, 837, 1431, 1643, 2133, 2449, 2511, 4187, 4293, 4929, 6399, 7347, 7533, 12561, 12879, 14787, 19197, 22041, 37683, 44361, 66123, 113049, 129797, 133083, 198369, 339147, 389391, 399249, 595107, 1017441, 1168173, 3504519, 10513557, 31540671]

約数ペア:

[(1, 31540671), (3, 10513557), (9, 3504519), (27, 1168173), (31, 1017441), (53, 595107), (79, 399249), (81, 389391), (93, 339147), (159, 198369), (237, 133083), (243, 129797), (279, 113049), (477, 66123), (711, 44361), (837, 37683), (1431, 22041), (1643, 19197), (2133, 14787), (2449, 12879), (2511, 12561), (4187, 7533), (4293, 7347), (4929, 6399)]