856551213

素因数分解:

$3^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{15791}}^1$

素因数の和:15855

約数の個数: 48

約数和(自身を含む): 1512241920

約数和(自身を除く): 655690707

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 123, 147, 189, 287, 369, 441, 861, 1107, 1323, 2009, 2583, 6027, 7749, 15791, 18081, 47373, 54243, 110537, 142119, 331611, 426357, 647431, 773759, 994833, 1942293, 2321277, 2984499, 4532017, 5826879, 6963831, 13596051, 17480637, 20891493, 31724119, 40788153, 95172357, 122364459, 285517071, 856551213]

約数ペア:

[(1, 856551213), (3, 285517071), (7, 122364459), (9, 95172357), (21, 40788153), (27, 31724119), (41, 20891493), (49, 17480637), (63, 13596051), (123, 6963831), (147, 5826879), (189, 4532017), (287, 2984499), (369, 2321277), (441, 1942293), (861, 994833), (1107, 773759), (1323, 647431), (2009, 426357), (2583, 331611), (6027, 142119), (7749, 110537), (15791, 54243), (18081, 47373)]