255280359

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 362880000

約数和(自身を除く): 107599641

約数列:

[1, 3, 29, 47, 87, 141, 149, 419, 447, 1257, 1363, 4089, 4321, 7003, 12151, 12963, 19693, 21009, 36453, 59079, 62431, 187293, 203087, 571097, 609261, 1713291, 1810499, 2934257, 5431497, 8802771, 85093453, 255280359]

約数ペア:

[(1, 255280359), (3, 85093453), (29, 8802771), (47, 5431497), (87, 2934257), (141, 1810499), (149, 1713291), (419, 609261), (447, 571097), (1257, 203087), (1363, 187293), (4089, 62431), (4321, 59079), (7003, 36453), (12151, 21009), (12963, 19693)]