64062981

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:423

約数の個数: 40

約数和(自身を含む): 100989504

約数和(自身を除く): 36926523

約数列:

[1, 3, 9, 23, 27, 69, 81, 137, 207, 251, 411, 621, 753, 1233, 1863, 2259, 3151, 3699, 5773, 6777, 9453, 11097, 17319, 20331, 28359, 34387, 51957, 85077, 103161, 155871, 255231, 309483, 467613, 790901, 928449, 2372703, 2785347, 7118109, 21354327, 64062981]

約数ペア:

[(1, 64062981), (3, 21354327), (9, 7118109), (23, 2785347), (27, 2372703), (69, 928449), (81, 790901), (137, 467613), (207, 309483), (251, 255231), (411, 155871), (621, 103161), (753, 85077), (1233, 51957), (1863, 34387), (2259, 28359), (3151, 20331), (3699, 17319), (5773, 11097), (6777, 9453)]