31930899

素因数分解:

$3^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:86

約数の個数: 80

約数和(自身を含む): 60232704

約数和(自身を除く): 28301805

約数列:

[1, 3, 7, 11, 13, 21, 31, 33, 39, 49, 77, 91, 93, 143, 147, 217, 231, 273, 341, 343, 403, 429, 539, 637, 651, 1001, 1023, 1029, 1209, 1519, 1617, 1911, 2387, 2401, 2821, 3003, 3773, 4433, 4459, 4557, 7007, 7161, 7203, 8463, 10633, 11319, 13299, 13377, 16709, 19747, 21021, 26411, 31031, 31213, 31899, 49049, 50127, 59241, 74431, 79233, 93093, 93639, 116963, 138229, 147147, 217217, 223293, 343343, 350889, 414687, 651651, 818741, 967603, 1030029, 1520519, 2456223, 2902809, 4561557, 10643633, 31930899]

約数ペア:

[(1, 31930899), (3, 10643633), (7, 4561557), (11, 2902809), (13, 2456223), (21, 1520519), (31, 1030029), (33, 967603), (39, 818741), (49, 651651), (77, 414687), (91, 350889), (93, 343343), (143, 223293), (147, 217217), (217, 147147), (231, 138229), (273, 116963), (341, 93639), (343, 93093), (403, 79233), (429, 74431), (539, 59241), (637, 50127), (651, 49049), (1001, 31899), (1023, 31213), (1029, 31031), (1209, 26411), (1519, 21021), (1617, 19747), (1911, 16709), (2387, 13377), (2401, 13299), (2821, 11319), (3003, 10633), (3773, 8463), (4433, 7203), (4459, 7161), (4557, 7007)]