1388892969

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{171659}}^1$

素因数の和:171725

約数の個数: 24

約数和(自身を含む): 2142316800

約数和(自身を除く): 753423831

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 279, 899, 2697, 8091, 171659, 514977, 1544931, 4978111, 5321429, 14934333, 15964287, 44802999, 47892861, 154321441, 462964323, 1388892969]

約数ペア:

[(1, 1388892969), (3, 462964323), (9, 154321441), (29, 47892861), (31, 44802999), (87, 15964287), (93, 14934333), (261, 5321429), (279, 4978111), (899, 1544931), (2697, 514977), (8091, 171659)]