72833859

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 128494080

約数和(自身を除く): 55660221

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 71, 133, 171, 213, 399, 497, 639, 857, 1197, 1349, 1491, 2571, 4047, 4473, 5999, 7713, 9443, 12141, 16283, 17997, 28329, 48849, 53991, 60847, 84987, 113981, 146547, 182541, 341943, 425929, 547623, 1025829, 1156093, 1277787, 3468279, 3833361, 8092651, 10404837, 24277953, 72833859]

約数ペア:

[(1, 72833859), (3, 24277953), (7, 10404837), (9, 8092651), (19, 3833361), (21, 3468279), (57, 1277787), (63, 1156093), (71, 1025829), (133, 547623), (171, 425929), (213, 341943), (399, 182541), (497, 146547), (639, 113981), (857, 84987), (1197, 60847), (1349, 53991), (1491, 48849), (2571, 28329), (4047, 17997), (4473, 16283), (5999, 12141), (7713, 9443)]