520023231

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1487}}^1$

素因数の和:1581

約数の個数: 72

約数和(自身を含む): 957063744

約数和(自身を除く): 437040513

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 61, 63, 91, 117, 147, 183, 273, 427, 441, 549, 637, 793, 819, 1281, 1487, 1911, 2379, 2989, 3843, 4461, 5551, 5733, 7137, 8967, 10409, 13383, 16653, 19331, 26901, 31227, 38857, 49959, 57993, 72863, 90707, 93681, 116571, 135317, 173979, 218589, 272121, 349713, 405951, 634949, 655767, 816363, 947219, 1179191, 1217853, 1904847, 2841657, 3537573, 4444643, 5714541, 8254337, 8524971, 10612719, 13333929, 24763011, 40001787, 57780359, 74289033, 173341077, 520023231]

約数ペア:

[(1, 520023231), (3, 173341077), (7, 74289033), (9, 57780359), (13, 40001787), (21, 24763011), (39, 13333929), (49, 10612719), (61, 8524971), (63, 8254337), (91, 5714541), (117, 4444643), (147, 3537573), (183, 2841657), (273, 1904847), (427, 1217853), (441, 1179191), (549, 947219), (637, 816363), (793, 655767), (819, 634949), (1281, 405951), (1487, 349713), (1911, 272121), (2379, 218589), (2989, 173979), (3843, 135317), (4461, 116571), (5551, 93681), (5733, 90707), (7137, 72863), (8967, 57993), (10409, 49959), (13383, 38857), (16653, 31227), (19331, 26901)]