8215857

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 13305600

約数和(自身を除く): 5089743

約数列:

[1, 3, 9, 13, 27, 39, 89, 117, 263, 267, 351, 789, 801, 1157, 2367, 2403, 3419, 3471, 7101, 10257, 10413, 23407, 30771, 31239, 70221, 92313, 210663, 304291, 631989, 912873, 2738619, 8215857]

約数ペア:

[(1, 8215857), (3, 2738619), (9, 912873), (13, 631989), (27, 304291), (39, 210663), (89, 92313), (117, 70221), (263, 31239), (267, 30771), (351, 23407), (789, 10413), (801, 10257), (1157, 7101), (2367, 3471), (2403, 3419)]