71131809

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{431}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 112803840

約数和(自身を除く): 41672031

約数列:

[1, 3, 7, 21, 29, 87, 203, 271, 431, 609, 813, 1293, 1897, 3017, 5691, 7859, 9051, 12499, 23577, 37497, 55013, 87493, 116801, 165039, 262479, 350403, 817607, 2452821, 3387229, 10161687, 23710603, 71131809]

約数ペア:

[(1, 71131809), (3, 23710603), (7, 10161687), (21, 3387229), (29, 2452821), (87, 817607), (203, 350403), (271, 262479), (431, 165039), (609, 116801), (813, 87493), (1293, 55013), (1897, 37497), (3017, 23577), (5691, 12499), (7859, 9051)]