131728995

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3583}}^1$

素因数の和:3656

約数の個数: 48

約数和(自身を含む): 246005760

約数和(自身を除く): 114276765

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 645, 817, 855, 1935, 2451, 3583, 4085, 7353, 10749, 12255, 17915, 32247, 36765, 53745, 68077, 154069, 161235, 204231, 340385, 462207, 612693, 770345, 1021155, 1386621, 2311035, 2927311, 3063465, 6933105, 8781933, 14636555, 26345799, 43909665, 131728995]

約数ペア:

[(1, 131728995), (3, 43909665), (5, 26345799), (9, 14636555), (15, 8781933), (19, 6933105), (43, 3063465), (45, 2927311), (57, 2311035), (95, 1386621), (129, 1021155), (171, 770345), (215, 612693), (285, 462207), (387, 340385), (645, 204231), (817, 161235), (855, 154069), (1935, 68077), (2451, 53745), (3583, 36765), (4085, 32247), (7353, 17915), (10749, 12255)]