1289331387

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1697}}^1$

素因数の和:1844

約数の個数: 48

約数和(自身を含む): 2002553280

約数和(自身を除く): 713221893

約数列:

[1, 3, 9, 29, 41, 71, 87, 123, 213, 261, 369, 639, 1189, 1697, 2059, 2911, 3567, 5091, 6177, 8733, 10701, 15273, 18531, 26199, 49213, 69577, 84419, 120487, 147639, 208731, 253257, 361461, 442917, 626193, 759771, 1084383, 2017733, 3494123, 4939967, 6053199, 10482369, 14819901, 18159597, 31447107, 44459703, 143259043, 429777129, 1289331387]

約数ペア:

[(1, 1289331387), (3, 429777129), (9, 143259043), (29, 44459703), (41, 31447107), (71, 18159597), (87, 14819901), (123, 10482369), (213, 6053199), (261, 4939967), (369, 3494123), (639, 2017733), (1189, 1084383), (1697, 759771), (2059, 626193), (2911, 442917), (3567, 361461), (5091, 253257), (6177, 208731), (8733, 147639), (10701, 120487), (15273, 84419), (18531, 69577), (26199, 49213)]