780318033

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{23909}}^1$

素因数の和:23989

約数の個数: 32

約数和(自身を含む): 1211950080

約数和(自身を除く): 431632047

約数列:

[1, 3, 11, 23, 33, 43, 69, 129, 253, 473, 759, 989, 1419, 2967, 10879, 23909, 32637, 71727, 262999, 549907, 788997, 1028087, 1649721, 3084261, 6048977, 11308957, 18146931, 23646001, 33926871, 70938003, 260106011, 780318033]

約数ペア:

[(1, 780318033), (3, 260106011), (11, 70938003), (23, 33926871), (33, 23646001), (43, 18146931), (69, 11308957), (129, 6048977), (253, 3084261), (473, 1649721), (759, 1028087), (989, 788997), (1419, 549907), (2967, 262999), (10879, 71727), (23909, 32637)]