231640017

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{6343}}^1$

素因数の和:6437

約数の個数: 32

約数和(自身を含む): 370286592

約数和(自身を除く): 138646575

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 259, 329, 777, 987, 1739, 5217, 6343, 12173, 19029, 36519, 44401, 133203, 234691, 298121, 704073, 894363, 1642837, 2086847, 4928511, 6260541, 11030477, 33091431, 77213339, 231640017]

約数ペア:

[(1, 231640017), (3, 77213339), (7, 33091431), (21, 11030477), (37, 6260541), (47, 4928511), (111, 2086847), (141, 1642837), (259, 894363), (329, 704073), (777, 298121), (987, 234691), (1739, 133203), (5217, 44401), (6343, 36519), (12173, 19029)]