1215694845

素因数分解:

$3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{65731}}^1$

素因数の和:65882

約数の個数: 32

約数和(自身を含む): 2177043840

約数和(自身を除く): 961348995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137, 411, 685, 1233, 2055, 3699, 6165, 18495, 65731, 197193, 328655, 591579, 985965, 1774737, 2957895, 8873685, 9005147, 27015441, 45025735, 81046323, 135077205, 243138969, 405231615, 1215694845]

約数ペア:

[(1, 1215694845), (3, 405231615), (5, 243138969), (9, 135077205), (15, 81046323), (27, 45025735), (45, 27015441), (135, 9005147), (137, 8873685), (411, 2957895), (685, 1774737), (1233, 985965), (2055, 591579), (3699, 328655), (6165, 197193), (18495, 65731)]