28960299

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 47005920

約数和(自身を除く): 18045621

約数列:

[1, 3, 9, 17, 29, 51, 61, 87, 107, 153, 183, 261, 321, 493, 549, 963, 1037, 1479, 1769, 1819, 3103, 3111, 4437, 5307, 5457, 6527, 9309, 9333, 15921, 16371, 19581, 27927, 30073, 52751, 58743, 90219, 110959, 158253, 189283, 270657, 332877, 474759, 567849, 998631, 1703547, 3217811, 9653433, 28960299]

約数ペア:

[(1, 28960299), (3, 9653433), (9, 3217811), (17, 1703547), (29, 998631), (51, 567849), (61, 474759), (87, 332877), (107, 270657), (153, 189283), (183, 158253), (261, 110959), (321, 90219), (493, 58743), (549, 52751), (963, 30073), (1037, 27927), (1479, 19581), (1769, 16371), (1819, 15921), (3103, 9333), (3111, 9309), (4437, 6527), (5307, 5457)]