13181553

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{827}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 24800256

約数和(自身を除く): 11618703

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 827, 1449, 1771, 2277, 2481, 5313, 5789, 7443, 9097, 15939, 17367, 19021, 27291, 52101, 57063, 63679, 81873, 133147, 171189, 191037, 209231, 399441, 573111, 627693, 1198323, 1464617, 1883079, 4393851, 13181553]

約数ペア:

[(1, 13181553), (3, 4393851), (7, 1883079), (9, 1464617), (11, 1198323), (21, 627693), (23, 573111), (33, 399441), (63, 209231), (69, 191037), (77, 171189), (99, 133147), (161, 81873), (207, 63679), (231, 57063), (253, 52101), (483, 27291), (693, 19021), (759, 17367), (827, 15939), (1449, 9097), (1771, 7443), (2277, 5789), (2481, 5313)]