505293831

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1681

約数の個数: 72

約数和(自身を含む): 915093504

約数和(自身を除く): 409799673

約数列:

[1, 3, 7, 9, 21, 23, 31, 49, 63, 69, 93, 147, 161, 207, 217, 279, 441, 483, 651, 713, 1127, 1449, 1519, 1607, 1953, 2139, 3381, 4557, 4821, 4991, 6417, 10143, 11249, 13671, 14463, 14973, 33747, 34937, 36961, 44919, 49817, 78743, 101241, 104811, 110883, 149451, 236229, 258727, 314433, 332649, 348719, 448353, 708687, 776181, 1046157, 1145791, 1811089, 2328543, 2441033, 3138471, 3437373, 5433267, 7323099, 8020537, 10312119, 16299801, 21969297, 24061611, 56143759, 72184833, 168431277, 505293831]

約数ペア:

[(1, 505293831), (3, 168431277), (7, 72184833), (9, 56143759), (21, 24061611), (23, 21969297), (31, 16299801), (49, 10312119), (63, 8020537), (69, 7323099), (93, 5433267), (147, 3437373), (161, 3138471), (207, 2441033), (217, 2328543), (279, 1811089), (441, 1145791), (483, 1046157), (651, 776181), (713, 708687), (1127, 448353), (1449, 348719), (1519, 332649), (1607, 314433), (1953, 258727), (2139, 236229), (3381, 149451), (4557, 110883), (4821, 104811), (4991, 101241), (6417, 78743), (10143, 49817), (11249, 44919), (13671, 36961), (14463, 34937), (14973, 33747)]