137581521

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{601}}^1\times {\mathrm{991}}^1$

素因数の和:1613

約数の個数: 32

約数和(自身を含む): 229318656

約数和(自身を除く): 91737135

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 601, 991, 1803, 2973, 4207, 6611, 6937, 10901, 12621, 19833, 20811, 32703, 46277, 76307, 138831, 228921, 595591, 1786773, 4169137, 6551501, 12507411, 19654503, 45860507, 137581521]

約数ペア:

[(1, 137581521), (3, 45860507), (7, 19654503), (11, 12507411), (21, 6551501), (33, 4169137), (77, 1786773), (231, 595591), (601, 228921), (991, 138831), (1803, 76307), (2973, 46277), (4207, 32703), (6611, 20811), (6937, 19833), (10901, 12621)]