81121005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 169019136

約数和(自身を除く): 87898131

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 53, 63, 105, 113, 129, 159, 215, 265, 301, 315, 339, 371, 387, 477, 565, 645, 791, 795, 903, 1017, 1113, 1505, 1695, 1855, 1935, 2279, 2373, 2385, 2709, 3339, 3955, 4515, 4859, 5085, 5565, 5989, 6837, 7119, 11395, 11865, 13545, 14577, 15953, 16695, 17967, 20511, 24295, 29945, 34013, 34185, 35595, 41923, 43731, 47859, 53901, 72885, 79765, 89835, 102039, 102555, 125769, 143577, 170065, 209615, 218655, 239295, 257527, 269505, 306117, 377307, 510195, 628845, 717885, 772581, 1287635, 1530585, 1802689, 1886535, 2317743, 3862905, 5408067, 9013445, 11588715, 16224201, 27040335, 81121005]

約数ペア:

[(1, 81121005), (3, 27040335), (5, 16224201), (7, 11588715), (9, 9013445), (15, 5408067), (21, 3862905), (35, 2317743), (43, 1886535), (45, 1802689), (53, 1530585), (63, 1287635), (105, 772581), (113, 717885), (129, 628845), (159, 510195), (215, 377307), (265, 306117), (301, 269505), (315, 257527), (339, 239295), (371, 218655), (387, 209615), (477, 170065), (565, 143577), (645, 125769), (791, 102555), (795, 102039), (903, 89835), (1017, 79765), (1113, 72885), (1505, 53901), (1695, 47859), (1855, 43731), (1935, 41923), (2279, 35595), (2373, 34185), (2385, 34013), (2709, 29945), (3339, 24295), (3955, 20511), (4515, 17967), (4859, 16695), (5085, 15953), (5565, 14577), (5989, 13545), (6837, 11865), (7119, 11395)]