28570761

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{353}}^1$

素因数の和:422

約数の個数: 36

約数和(自身を含む): 45808308

約数和(自身を除く): 17237547

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 353, 391, 529, 1059, 1173, 1587, 3177, 3519, 4761, 6001, 8119, 8993, 18003, 24357, 26979, 54009, 73071, 80937, 138023, 186737, 414069, 560211, 1242207, 1680633, 3174529, 9523587, 28570761]

約数ペア:

[(1, 28570761), (3, 9523587), (9, 3174529), (17, 1680633), (23, 1242207), (51, 560211), (69, 414069), (153, 186737), (207, 138023), (353, 80937), (391, 73071), (529, 54009), (1059, 26979), (1173, 24357), (1587, 18003), (3177, 8993), (3519, 8119), (4761, 6001)]