278323485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{20323}}^1$

素因数の和:20425

約数の個数: 32

約数和(自身を含む): 491678208

約数和(自身を除く): 213354723

約数列:

[1, 3, 5, 11, 15, 33, 55, 83, 165, 249, 415, 913, 1245, 2739, 4565, 13695, 20323, 60969, 101615, 223553, 304845, 670659, 1117765, 1686809, 3353295, 5060427, 8434045, 18554899, 25302135, 55664697, 92774495, 278323485]

約数ペア:

[(1, 278323485), (3, 92774495), (5, 55664697), (11, 25302135), (15, 18554899), (33, 8434045), (55, 5060427), (83, 3353295), (165, 1686809), (249, 1117765), (415, 670659), (913, 304845), (1245, 223553), (2739, 101615), (4565, 60969), (13695, 20323)]