12161457

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 23474880

約数和(自身を除く): 11313423

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 49, 63, 69, 77, 99, 109, 147, 161, 207, 231, 253, 327, 441, 483, 539, 693, 759, 763, 981, 1127, 1199, 1449, 1617, 1771, 2277, 2289, 2507, 3381, 3597, 4851, 5313, 5341, 6867, 7521, 8393, 10143, 10791, 12397, 15939, 16023, 17549, 22563, 25179, 27577, 37191, 48069, 52647, 58751, 75537, 82731, 111573, 122843, 157941, 176253, 193039, 248193, 368529, 528759, 579117, 1105587, 1351273, 1737351, 4053819, 12161457]

約数ペア:

[(1, 12161457), (3, 4053819), (7, 1737351), (9, 1351273), (11, 1105587), (21, 579117), (23, 528759), (33, 368529), (49, 248193), (63, 193039), (69, 176253), (77, 157941), (99, 122843), (109, 111573), (147, 82731), (161, 75537), (207, 58751), (231, 52647), (253, 48069), (327, 37191), (441, 27577), (483, 25179), (539, 22563), (693, 17549), (759, 16023), (763, 15939), (981, 12397), (1127, 10791), (1199, 10143), (1449, 8393), (1617, 7521), (1771, 6867), (2277, 5341), (2289, 5313), (2507, 4851), (3381, 3597)]