28900305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3989}}^1$

素因数の和:4030

約数の個数: 48

約数和(自身を含む): 59754240

約数和(自身を除く): 30853935

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415, 3989, 7245, 11967, 19945, 27923, 35901, 59835, 83769, 91747, 139615, 179505, 251307, 275241, 418845, 458735, 642229, 825723, 1256535, 1376205, 1926687, 3211145, 4128615, 5780061, 9633435, 28900305]

約数ペア:

[(1, 28900305), (3, 9633435), (5, 5780061), (7, 4128615), (9, 3211145), (15, 1926687), (21, 1376205), (23, 1256535), (35, 825723), (45, 642229), (63, 458735), (69, 418845), (105, 275241), (115, 251307), (161, 179505), (207, 139615), (315, 91747), (345, 83769), (483, 59835), (805, 35901), (1035, 27923), (1449, 19945), (2415, 11967), (3989, 7245)]