209301255

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{601}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 371891520

約数和(自身を除く): 162590265

約数列:

[1, 3, 5, 9, 15, 45, 71, 109, 213, 327, 355, 545, 601, 639, 981, 1065, 1635, 1803, 3005, 3195, 4905, 5409, 7739, 9015, 23217, 27045, 38695, 42671, 65509, 69651, 116085, 128013, 196527, 213355, 327545, 348255, 384039, 589581, 640065, 982635, 1920195, 2947905, 4651139, 13953417, 23255695, 41860251, 69767085, 209301255]

約数ペア:

[(1, 209301255), (3, 69767085), (5, 41860251), (9, 23255695), (15, 13953417), (45, 4651139), (71, 2947905), (109, 1920195), (213, 982635), (327, 640065), (355, 589581), (545, 384039), (601, 348255), (639, 327545), (981, 213355), (1065, 196527), (1635, 128013), (1803, 116085), (3005, 69651), (3195, 65509), (4905, 42671), (5409, 38695), (7739, 27045), (9015, 23217)]