81225045

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{659}}^1$

素因数の和:767

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 78442155

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 83, 99, 135, 165, 249, 297, 415, 495, 659, 747, 913, 1245, 1485, 1977, 2241, 2739, 3295, 3735, 4565, 5931, 7249, 8217, 9885, 11205, 13695, 17793, 21747, 24651, 29655, 36245, 41085, 54697, 65241, 88965, 108735, 123255, 164091, 195723, 273485, 326205, 492273, 601667, 820455, 978615, 1476819, 1805001, 2461365, 3008335, 5415003, 7384095, 9025005, 16245009, 27075015, 81225045]

約数ペア:

[(1, 81225045), (3, 27075015), (5, 16245009), (9, 9025005), (11, 7384095), (15, 5415003), (27, 3008335), (33, 2461365), (45, 1805001), (55, 1476819), (83, 978615), (99, 820455), (135, 601667), (165, 492273), (249, 326205), (297, 273485), (415, 195723), (495, 164091), (659, 123255), (747, 108735), (913, 88965), (1245, 65241), (1485, 54697), (1977, 41085), (2241, 36245), (2739, 29655), (3295, 24651), (3735, 21747), (4565, 17793), (5931, 13695), (7249, 11205), (8217, 9885)]