72921951

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:413

約数の個数: 40

約数和(自身を含む): 113883264

約数和(自身を除く): 40961313

約数列:

[1, 3, 9, 27, 31, 81, 93, 113, 257, 279, 339, 771, 837, 1017, 2313, 2511, 3051, 3503, 6939, 7967, 9153, 10509, 20817, 23901, 29041, 31527, 71703, 87123, 94581, 215109, 261369, 283743, 645327, 784107, 900271, 2352321, 2700813, 8102439, 24307317, 72921951]

約数ペア:

[(1, 72921951), (3, 24307317), (9, 8102439), (27, 2700813), (31, 2352321), (81, 900271), (93, 784107), (113, 645327), (257, 283743), (279, 261369), (339, 215109), (771, 94581), (837, 87123), (1017, 71703), (2313, 31527), (2511, 29041), (3051, 23901), (3503, 20817), (6939, 10509), (7967, 9153)]