28969245

素因数分解:

$3^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 52782912

約数和(自身を除く): 23813667

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 113, 135, 211, 243, 339, 405, 565, 633, 1017, 1055, 1215, 1695, 1899, 3051, 3165, 5085, 5697, 9153, 9495, 15255, 17091, 23843, 27459, 28485, 45765, 51273, 71529, 85455, 119215, 137295, 214587, 256365, 357645, 643761, 1072935, 1931283, 3218805, 5793849, 9656415, 28969245]

約数ペア:

[(1, 28969245), (3, 9656415), (5, 5793849), (9, 3218805), (15, 1931283), (27, 1072935), (45, 643761), (81, 357645), (113, 256365), (135, 214587), (211, 137295), (243, 119215), (339, 85455), (405, 71529), (565, 51273), (633, 45765), (1017, 28485), (1055, 27459), (1215, 23843), (1695, 17091), (1899, 15255), (3051, 9495), (3165, 9153), (5085, 5697)]