181949103

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 324913680

約数和(自身を除く): 142964577

約数列:

[1, 3, 7, 9, 21, 29, 41, 49, 63, 87, 123, 147, 203, 261, 287, 347, 369, 441, 609, 861, 1041, 1189, 1421, 1827, 2009, 2429, 2583, 3123, 3567, 4263, 6027, 7287, 8323, 10063, 10701, 12789, 14227, 17003, 18081, 21861, 24969, 30189, 42681, 51009, 58261, 70441, 74907, 90567, 99589, 128043, 153027, 174783, 211323, 298767, 412583, 493087, 524349, 633969, 697123, 896301, 1237749, 1479261, 2091369, 2888081, 3713247, 4437783, 6274107, 8664243, 20216567, 25992729, 60649701, 181949103]

約数ペア:

[(1, 181949103), (3, 60649701), (7, 25992729), (9, 20216567), (21, 8664243), (29, 6274107), (41, 4437783), (49, 3713247), (63, 2888081), (87, 2091369), (123, 1479261), (147, 1237749), (203, 896301), (261, 697123), (287, 633969), (347, 524349), (369, 493087), (441, 412583), (609, 298767), (861, 211323), (1041, 174783), (1189, 153027), (1421, 128043), (1827, 99589), (2009, 90567), (2429, 74907), (2583, 70441), (3123, 58261), (3567, 51009), (4263, 42681), (6027, 30189), (7287, 24969), (8323, 21861), (10063, 18081), (10701, 17003), (12789, 14227)]