27831247899

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{766511}}^1$

素因数の和:766560

約数の個数: 48

約数和(自身を含む): 48934126080

約数和(自身を除く): 21102878181

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 247, 273, 399, 637, 741, 931, 1729, 1911, 2793, 5187, 12103, 36309, 766511, 2299533, 5365577, 9964643, 14563709, 16096731, 29893929, 37559039, 43691127, 69752501, 101945963, 112677117, 189328217, 209257503, 305837889, 488267507, 567984651, 713621741, 1325297519, 1464802521, 2140865223, 3975892557, 9277082633, 27831247899]

約数ペア:

[(1, 27831247899), (3, 9277082633), (7, 3975892557), (13, 2140865223), (19, 1464802521), (21, 1325297519), (39, 713621741), (49, 567984651), (57, 488267507), (91, 305837889), (133, 209257503), (147, 189328217), (247, 112677117), (273, 101945963), (399, 69752501), (637, 43691127), (741, 37559039), (931, 29893929), (1729, 16096731), (1911, 14563709), (2793, 9964643), (5187, 5365577), (12103, 2299533), (36309, 766511)]