16391529

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 31299840

約数和(自身を除く): 14908311

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 49, 63, 77, 93, 99, 109, 147, 217, 231, 279, 327, 341, 441, 539, 651, 693, 763, 981, 1023, 1199, 1519, 1617, 1953, 2289, 2387, 3069, 3379, 3597, 4557, 4851, 5341, 6867, 7161, 8393, 10137, 10791, 13671, 16023, 16709, 21483, 23653, 25179, 30411, 37169, 48069, 50127, 58751, 70959, 75537, 111507, 150381, 165571, 176253, 212877, 260183, 334521, 496713, 528759, 780549, 1490139, 1821281, 2341647, 5463843, 16391529]

約数ペア:

[(1, 16391529), (3, 5463843), (7, 2341647), (9, 1821281), (11, 1490139), (21, 780549), (31, 528759), (33, 496713), (49, 334521), (63, 260183), (77, 212877), (93, 176253), (99, 165571), (109, 150381), (147, 111507), (217, 75537), (231, 70959), (279, 58751), (327, 50127), (341, 48069), (441, 37169), (539, 30411), (651, 25179), (693, 23653), (763, 21483), (981, 16709), (1023, 16023), (1199, 13671), (1519, 10791), (1617, 10137), (1953, 8393), (2289, 7161), (2387, 6867), (3069, 5341), (3379, 4851), (3597, 4557)]