17680245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1291}}^1$

素因数の和:1393

約数の個数: 32

約数和(自身を含む): 31256064

約数和(自身を除く): 13575819

約数列:

[1, 3, 5, 11, 15, 33, 55, 83, 165, 249, 415, 913, 1245, 1291, 2739, 3873, 4565, 6455, 13695, 14201, 19365, 42603, 71005, 107153, 213015, 321459, 535765, 1178683, 1607295, 3536049, 5893415, 17680245]

約数ペア:

[(1, 17680245), (3, 5893415), (5, 3536049), (11, 1607295), (15, 1178683), (33, 535765), (55, 321459), (83, 213015), (165, 107153), (249, 71005), (415, 42603), (913, 19365), (1245, 14201), (1291, 13695), (2739, 6455), (3873, 4565)]