28289793

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1583}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 46227456

約数和(自身を除く): 17937663

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 777, 851, 1583, 2553, 4749, 5957, 11081, 17871, 33243, 36409, 58571, 109227, 175713, 254863, 409997, 764589, 1229991, 1347133, 4041399, 9429931, 28289793]

約数ペア:

[(1, 28289793), (3, 9429931), (7, 4041399), (21, 1347133), (23, 1229991), (37, 764589), (69, 409997), (111, 254863), (161, 175713), (259, 109227), (483, 58571), (777, 36409), (851, 33243), (1583, 17871), (2553, 11081), (4749, 5957)]