66980655

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{70879}}^1$

素因数の和:70900

約数の個数: 32

約数和(自身を含む): 136089600

約数和(自身を除く): 69108945

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 70879, 212637, 354395, 496153, 637911, 1063185, 1488459, 1913733, 2480765, 3189555, 4465377, 7442295, 9568665, 13396131, 22326885, 66980655]

約数ペア:

[(1, 66980655), (3, 22326885), (5, 13396131), (7, 9568665), (9, 7442295), (15, 4465377), (21, 3189555), (27, 2480765), (35, 1913733), (45, 1488459), (63, 1063185), (105, 637911), (135, 496153), (189, 354395), (315, 212637), (945, 70879)]