27879285

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 52629696

約数和(自身を除く): 24750411

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 83, 105, 147, 245, 249, 415, 457, 581, 735, 1245, 1371, 1743, 2285, 2905, 3199, 4067, 6855, 8715, 9597, 12201, 15995, 20335, 22393, 37931, 47985, 61005, 67179, 111965, 113793, 189655, 265517, 335895, 568965, 796551, 1327585, 1858619, 3982755, 5575857, 9293095, 27879285]

約数ペア:

[(1, 27879285), (3, 9293095), (5, 5575857), (7, 3982755), (15, 1858619), (21, 1327585), (35, 796551), (49, 568965), (83, 335895), (105, 265517), (147, 189655), (245, 113793), (249, 111965), (415, 67179), (457, 61005), (581, 47985), (735, 37931), (1245, 22393), (1371, 20335), (1743, 15995), (2285, 12201), (2905, 9597), (3199, 8715), (4067, 6855)]