71472219

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2699}}^1$

素因数の和:2819

約数の個数: 32

約数和(自身を含む): 118540800

約数和(自身を除く): 47068581

約数列:

[1, 3, 7, 13, 21, 39, 91, 97, 273, 291, 679, 1261, 2037, 2699, 3783, 8097, 8827, 18893, 26481, 35087, 56679, 105261, 245609, 261803, 736827, 785409, 1832621, 3403439, 5497863, 10210317, 23824073, 71472219]

約数ペア:

[(1, 71472219), (3, 23824073), (7, 10210317), (13, 5497863), (21, 3403439), (39, 1832621), (91, 785409), (97, 736827), (273, 261803), (291, 245609), (679, 105261), (1261, 56679), (2037, 35087), (2699, 26481), (3783, 18893), (8097, 8827)]