156940128387

素因数分解:

$3^2\times 7^2\times {\mathrm{1069}}^1\times {\mathrm{332903}}^1$

素因数の和:333992

約数の個数: 36

約数和(自身を含む): 263949594480

約数和(自身を除く): 107009466093

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1069, 3207, 7483, 9621, 22449, 52381, 67347, 157143, 332903, 471429, 998709, 2330321, 2996127, 6990963, 16312247, 20972889, 48936741, 146810223, 355873307, 1067619921, 2491113149, 3202859763, 7473339447, 17437792043, 22420018341, 52313376129, 156940128387]

約数ペア:

[(1, 156940128387), (3, 52313376129), (7, 22420018341), (9, 17437792043), (21, 7473339447), (49, 3202859763), (63, 2491113149), (147, 1067619921), (441, 355873307), (1069, 146810223), (3207, 48936741), (7483, 20972889), (9621, 16312247), (22449, 6990963), (52381, 2996127), (67347, 2330321), (157143, 998709), (332903, 471429)]