81389715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 148925952

約数和(自身を除く): 67536237

約数列:

[1, 3, 5, 11, 15, 33, 41, 53, 55, 123, 159, 165, 205, 227, 265, 451, 583, 615, 681, 795, 1135, 1353, 1749, 2173, 2255, 2497, 2915, 3405, 6519, 6765, 7491, 8745, 9307, 10865, 12031, 12485, 23903, 27921, 32595, 36093, 37455, 46535, 60155, 71709, 102377, 119515, 132341, 139605, 180465, 307131, 358545, 397023, 493271, 511885, 661705, 1479813, 1535655, 1985115, 2466355, 5425981, 7399065, 16277943, 27129905, 81389715]

約数ペア:

[(1, 81389715), (3, 27129905), (5, 16277943), (11, 7399065), (15, 5425981), (33, 2466355), (41, 1985115), (53, 1535655), (55, 1479813), (123, 661705), (159, 511885), (165, 493271), (205, 397023), (227, 358545), (265, 307131), (451, 180465), (583, 139605), (615, 132341), (681, 119515), (795, 102377), (1135, 71709), (1353, 60155), (1749, 46535), (2173, 37455), (2255, 36093), (2497, 32595), (2915, 27921), (3405, 23903), (6519, 12485), (6765, 12031), (7491, 10865), (8745, 9307)]