28215087

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 13256913

約数列:

[1, 3, 17, 47, 51, 79, 141, 149, 237, 447, 799, 1343, 2397, 2533, 3713, 4029, 7003, 7599, 11139, 11771, 21009, 35313, 63121, 119051, 189363, 200107, 357153, 553237, 600321, 1659711, 9405029, 28215087]

約数ペア:

[(1, 28215087), (3, 9405029), (17, 1659711), (47, 600321), (51, 553237), (79, 357153), (141, 200107), (149, 189363), (237, 119051), (447, 63121), (799, 35313), (1343, 21009), (2397, 11771), (2533, 11139), (3713, 7599), (4029, 7003)]