77721567

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 132276480

約数和(自身を除く): 54554913

約数列:

[1, 3, 7, 11, 21, 33, 73, 77, 121, 219, 231, 363, 419, 511, 803, 847, 1257, 1533, 2409, 2541, 2933, 4609, 5621, 8799, 8833, 13827, 16863, 26499, 30587, 32263, 50699, 61831, 91761, 96789, 152097, 185493, 214109, 336457, 354893, 642327, 1009371, 1064679, 2355199, 3701027, 7065597, 11103081, 25907189, 77721567]

約数ペア:

[(1, 77721567), (3, 25907189), (7, 11103081), (11, 7065597), (21, 3701027), (33, 2355199), (73, 1064679), (77, 1009371), (121, 642327), (219, 354893), (231, 336457), (363, 214109), (419, 185493), (511, 152097), (803, 96789), (847, 91761), (1257, 61831), (1533, 50699), (2409, 32263), (2541, 30587), (2933, 26499), (4609, 16863), (5621, 13827), (8799, 8833)]