78205431

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 109258240

約数和(自身を除く): 31052809

約数列:

[1, 3, 29, 87, 139, 223, 417, 669, 841, 2523, 4031, 6467, 12093, 19401, 30997, 92991, 116899, 187543, 350697, 562629, 898913, 2696739, 26068477, 78205431]

約数ペア:

[(1, 78205431), (3, 26068477), (29, 2696739), (87, 898913), (139, 562629), (223, 350697), (417, 187543), (669, 116899), (841, 92991), (2523, 30997), (4031, 19401), (6467, 12093)]