78402009

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{23189}}^1$

素因数の和:23229

約数の個数: 24

約数和(自身を含む): 126895680

約数和(自身を除く): 48493671

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 23189, 69567, 162323, 486969, 533347, 1136261, 1600041, 3408783, 3733429, 11200287, 26134003, 78402009]

約数ペア:

[(1, 78402009), (3, 26134003), (7, 11200287), (21, 3733429), (23, 3408783), (49, 1600041), (69, 1136261), (147, 533347), (161, 486969), (483, 162323), (1127, 69567), (3381, 23189)]