81392391

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2069}}^1$

素因数の和:2156

約数の個数: 32

約数和(自身を含む): 127180800

約数和(自身を除く): 45788409

約数列:

[1, 3, 9, 27, 31, 47, 93, 141, 279, 423, 837, 1269, 1457, 2069, 4371, 6207, 13113, 18621, 39339, 55863, 64139, 97243, 192417, 291729, 577251, 875187, 1731753, 2625561, 3014533, 9043599, 27130797, 81392391]

約数ペア:

[(1, 81392391), (3, 27130797), (9, 9043599), (27, 3014533), (31, 2625561), (47, 1731753), (93, 875187), (141, 577251), (279, 291729), (423, 192417), (837, 97243), (1269, 64139), (1457, 55863), (2069, 39339), (4371, 18621), (6207, 13113)]