263457789

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{3251}}^1$

素因数の和:3505

約数の個数: 32

約数和(自身を含む): 427078656

約数和(自身を除く): 163620867

約数列:

[1, 3, 7, 17, 21, 51, 119, 227, 357, 681, 1589, 3251, 3859, 4767, 9753, 11577, 22757, 27013, 55267, 68271, 81039, 165801, 386869, 737977, 1160607, 2213931, 5165839, 12545609, 15497517, 37636827, 87819263, 263457789]

約数ペア:

[(1, 263457789), (3, 87819263), (7, 37636827), (17, 15497517), (21, 12545609), (51, 5165839), (119, 2213931), (227, 1160607), (357, 737977), (681, 386869), (1589, 165801), (3251, 81039), (3859, 68271), (4767, 55267), (9753, 27013), (11577, 22757)]