2902809

素因数分解:

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

素因数の和:75

約数の個数: 40

約数和(自身を含む): 5019392

約数和(自身を除く): 2116583

約数列:

[1, 3, 7, 13, 21, 31, 39, 49, 91, 93, 147, 217, 273, 343, 403, 637, 651, 1029, 1209, 1519, 1911, 2401, 2821, 4459, 4557, 7203, 8463, 10633, 13377, 19747, 31213, 31899, 59241, 74431, 93639, 138229, 223293, 414687, 967603, 2902809]

約数ペア:

[(1, 2902809), (3, 967603), (7, 414687), (13, 223293), (21, 138229), (31, 93639), (39, 74431), (49, 59241), (91, 31899), (93, 31213), (147, 19747), (217, 13377), (273, 10633), (343, 8463), (403, 7203), (637, 4557), (651, 4459), (1029, 2821), (1209, 2401), (1519, 1911)]