2445705

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 4717440

約数和(自身を除く): 2271735

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 139, 153, 207, 255, 345, 391, 417, 695, 765, 1035, 1173, 1251, 1955, 2085, 2363, 3197, 3519, 5865, 6255, 7089, 9591, 11815, 15985, 17595, 21267, 28773, 35445, 47955, 54349, 106335, 143865, 163047, 271745, 489141, 815235, 2445705]

約数ペア:

[(1, 2445705), (3, 815235), (5, 489141), (9, 271745), (15, 163047), (17, 143865), (23, 106335), (45, 54349), (51, 47955), (69, 35445), (85, 28773), (115, 21267), (139, 17595), (153, 15985), (207, 11815), (255, 9591), (345, 7089), (391, 6255), (417, 5865), (695, 3519), (765, 3197), (1035, 2363), (1173, 2085), (1251, 1955)]