155493387

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{6217}}^1$

素因数の和:6627

約数の個数: 24

約数和(自身を含む): 257375456

約数和(自身を除く): 101882069

約数列:

[1, 3, 7, 9, 21, 63, 397, 1191, 2779, 3573, 6217, 8337, 18651, 25011, 43519, 55953, 130557, 391671, 2468149, 7404447, 17277043, 22213341, 51831129, 155493387]

約数ペア:

[(1, 155493387), (3, 51831129), (7, 22213341), (9, 17277043), (21, 7404447), (63, 2468149), (397, 391671), (1191, 130557), (2779, 55953), (3573, 43519), (6217, 25011), (8337, 18651)]