18594705

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 30818304

約数和(自身を除く): 12223599

約数列:

[1, 3, 5, 15, 43, 127, 129, 215, 227, 381, 635, 645, 681, 1135, 1905, 3405, 5461, 9761, 16383, 27305, 28829, 29283, 48805, 81915, 86487, 144145, 146415, 432435, 1239647, 3718941, 6198235, 18594705]

約数ペア:

[(1, 18594705), (3, 6198235), (5, 3718941), (15, 1239647), (43, 432435), (127, 146415), (129, 144145), (215, 86487), (227, 81915), (381, 48805), (635, 29283), (645, 28829), (681, 27305), (1135, 16383), (1905, 9761), (3405, 5461)]