266960985

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{3259}}^1$

素因数の和:3437

約数の個数: 32

約数和(自身を含む): 440647680

約数和(自身を除く): 173686695

約数列:

[1, 3, 5, 15, 43, 127, 129, 215, 381, 635, 645, 1905, 3259, 5461, 9777, 16295, 16383, 27305, 48885, 81915, 140137, 413893, 420411, 700685, 1241679, 2069465, 2102055, 6208395, 17797399, 53392197, 88986995, 266960985]

約数ペア:

[(1, 266960985), (3, 88986995), (5, 53392197), (15, 17797399), (43, 6208395), (127, 2102055), (129, 2069465), (215, 1241679), (381, 700685), (635, 420411), (645, 413893), (1905, 140137), (3259, 81915), (5461, 48885), (9777, 27305), (16295, 16383)]