31453929

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 51367680

約数和(自身を除く): 19913751

約数列:

[1, 3, 9, 13, 39, 41, 79, 83, 117, 123, 237, 249, 369, 533, 711, 747, 1027, 1079, 1599, 3081, 3237, 3239, 3403, 4797, 6557, 9243, 9711, 9717, 10209, 19671, 29151, 30627, 42107, 44239, 59013, 85241, 126321, 132717, 255723, 268837, 378963, 398151, 767169, 806511, 2419533, 3494881, 10484643, 31453929]

約数ペア:

[(1, 31453929), (3, 10484643), (9, 3494881), (13, 2419533), (39, 806511), (41, 767169), (79, 398151), (83, 378963), (117, 268837), (123, 255723), (237, 132717), (249, 126321), (369, 85241), (533, 59013), (711, 44239), (747, 42107), (1027, 30627), (1079, 29151), (1599, 19671), (3081, 10209), (3237, 9717), (3239, 9711), (3403, 9243), (4797, 6557)]