242365905

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2071

約数の個数: 64

約数和(自身を含む): 460339200

約数和(自身を除く): 217973295

約数列:

[1, 3, 5, 9, 15, 27, 29, 31, 45, 87, 93, 135, 145, 155, 261, 279, 435, 465, 783, 837, 899, 1305, 1395, 1997, 2697, 3915, 4185, 4495, 5991, 8091, 9985, 13485, 17973, 24273, 29955, 40455, 53919, 57913, 61907, 89865, 121365, 173739, 185721, 269595, 289565, 309535, 521217, 557163, 868695, 928605, 1563651, 1671489, 1795303, 2606085, 2785815, 5385909, 7818255, 8357445, 8976515, 16157727, 26929545, 48473181, 80788635, 242365905]

約数ペア:

[(1, 242365905), (3, 80788635), (5, 48473181), (9, 26929545), (15, 16157727), (27, 8976515), (29, 8357445), (31, 7818255), (45, 5385909), (87, 2785815), (93, 2606085), (135, 1795303), (145, 1671489), (155, 1563651), (261, 928605), (279, 868695), (435, 557163), (465, 521217), (783, 309535), (837, 289565), (899, 269595), (1305, 185721), (1395, 173739), (1997, 121365), (2697, 89865), (3915, 61907), (4185, 57913), (4495, 53919), (5991, 40455), (8091, 29955), (9985, 24273), (13485, 17973)]