1720806945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{72931}}^1$

素因数の和:72974

約数の個数: 48

約数和(自身を含む): 3259185216

約数和(自身を除く): 1538378271

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 121, 143, 165, 195, 363, 429, 605, 715, 1573, 1815, 2145, 4719, 7865, 23595, 72931, 218793, 364655, 802241, 948103, 1093965, 2406723, 2844309, 4011205, 4740515, 8824651, 10429133, 12033615, 14221545, 26473953, 31287399, 44123255, 52145665, 114720463, 132369765, 156436995, 344161389, 573602315, 1720806945]

約数ペア:

[(1, 1720806945), (3, 573602315), (5, 344161389), (11, 156436995), (13, 132369765), (15, 114720463), (33, 52145665), (39, 44123255), (55, 31287399), (65, 26473953), (121, 14221545), (143, 12033615), (165, 10429133), (195, 8824651), (363, 4740515), (429, 4011205), (605, 2844309), (715, 2406723), (1573, 1093965), (1815, 948103), (2145, 802241), (4719, 364655), (7865, 218793), (23595, 72931)]