2080759995

素因数分解:

$3^4\times 5^1\times {\mathrm{859}}^1\times {\mathrm{5981}}^1$

素因数の和:6857

約数の個数: 40

約数和(自身を含む): 3734921520

約数和(自身を除く): 1654161525

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 859, 2577, 4295, 5981, 7731, 12885, 17943, 23193, 29905, 38655, 53829, 69579, 89715, 115965, 161487, 269145, 347895, 484461, 807435, 2422305, 5137679, 15413037, 25688395, 46239111, 77065185, 138717333, 231195555, 416151999, 693586665, 2080759995]

約数ペア:

[(1, 2080759995), (3, 693586665), (5, 416151999), (9, 231195555), (15, 138717333), (27, 77065185), (45, 46239111), (81, 25688395), (135, 15413037), (405, 5137679), (859, 2422305), (2577, 807435), (4295, 484461), (5981, 347895), (7731, 269145), (12885, 161487), (17943, 115965), (23193, 89715), (29905, 69579), (38655, 53829)]