71315433

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 128044800

約数和(自身を除く): 56729367

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 79, 89, 147, 161, 207, 237, 267, 441, 483, 553, 623, 711, 801, 1127, 1449, 1659, 1817, 1869, 2047, 3381, 3871, 4361, 4977, 5451, 5607, 6141, 7031, 10143, 11613, 12719, 13083, 14329, 16353, 18423, 21093, 34839, 38157, 39249, 42987, 49217, 63279, 89033, 100303, 114471, 128961, 147651, 161713, 267099, 300909, 344519, 442953, 485139, 801297, 902727, 1033557, 1131991, 1455417, 3100671, 3395973, 7923937, 10187919, 23771811, 71315433]

約数ペア:

[(1, 71315433), (3, 23771811), (7, 10187919), (9, 7923937), (21, 3395973), (23, 3100671), (49, 1455417), (63, 1131991), (69, 1033557), (79, 902727), (89, 801297), (147, 485139), (161, 442953), (207, 344519), (237, 300909), (267, 267099), (441, 161713), (483, 147651), (553, 128961), (623, 114471), (711, 100303), (801, 89033), (1127, 63279), (1449, 49217), (1659, 42987), (1817, 39249), (1869, 38157), (2047, 34839), (3381, 21093), (3871, 18423), (4361, 16353), (4977, 14329), (5451, 13083), (5607, 12719), (6141, 11613), (7031, 10143)]