42287791

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 54286848

約数和(自身を除く): 11999057

約数列:

[1, 7, 13, 43, 91, 101, 107, 301, 559, 707, 749, 1313, 1391, 3913, 4343, 4601, 9191, 9737, 10807, 30401, 32207, 56459, 59813, 75649, 140491, 395213, 418691, 464701, 983437, 3252907, 6041113, 42287791]

約数ペア:

[(1, 42287791), (7, 6041113), (13, 3252907), (43, 983437), (91, 464701), (101, 418691), (107, 395213), (301, 140491), (559, 75649), (707, 59813), (749, 56459), (1313, 32207), (1391, 30401), (3913, 10807), (4343, 9737), (4601, 9191)]