211673865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{2707}}^1$

素因数の和:3129

約数の個数: 32

約数和(自身を含む): 365774976

約数和(自身を除く): 154101111

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 401, 1203, 2005, 2707, 5213, 6015, 8121, 13535, 15639, 26065, 35191, 40605, 78195, 105573, 175955, 527865, 1085507, 3256521, 5427535, 14111591, 16282605, 42334773, 70557955, 211673865]

約数ペア:

[(1, 211673865), (3, 70557955), (5, 42334773), (13, 16282605), (15, 14111591), (39, 5427535), (65, 3256521), (195, 1085507), (401, 527865), (1203, 175955), (2005, 105573), (2707, 78195), (5213, 40605), (6015, 35191), (8121, 26065), (13535, 15639)]