668856285

素因数分解:

$3^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2609}}^1$

素因数の和:2840

約数の個数: 48

約数和(自身を含む): 1208450880

約数和(自身を除く): 539594595

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 211, 243, 405, 633, 1055, 1215, 1899, 2609, 3165, 5697, 7827, 9495, 13045, 17091, 23481, 28485, 39135, 51273, 70443, 85455, 117405, 211329, 256365, 352215, 550499, 633987, 1056645, 1651497, 2752495, 3169935, 4954491, 8257485, 14863473, 24772455, 44590419, 74317365, 133771257, 222952095, 668856285]

約数ペア:

[(1, 668856285), (3, 222952095), (5, 133771257), (9, 74317365), (15, 44590419), (27, 24772455), (45, 14863473), (81, 8257485), (135, 4954491), (211, 3169935), (243, 2752495), (405, 1651497), (633, 1056645), (1055, 633987), (1215, 550499), (1899, 352215), (2609, 256365), (3165, 211329), (5697, 117405), (7827, 85455), (9495, 70443), (13045, 51273), (17091, 39135), (23481, 28485)]