212372271

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{2707}}^1$

素因数の和:3115

約数の個数: 24

約数和(自身を含む): 321060480

約数和(自身を除く): 108688209

約数列:

[1, 3, 9, 23, 69, 207, 379, 1137, 2707, 3411, 8121, 8717, 24363, 26151, 62261, 78453, 186783, 560349, 1025953, 3077859, 9233577, 23596919, 70790757, 212372271]

約数ペア:

[(1, 212372271), (3, 70790757), (9, 23596919), (23, 9233577), (69, 3077859), (207, 1025953), (379, 560349), (1137, 186783), (2707, 78453), (3411, 62261), (8121, 26151), (8717, 24363)]