42781179

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{599}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 69120000

約数和(自身を除く): 26338821

約数列:

[1, 3, 7, 19, 21, 57, 133, 179, 399, 537, 599, 1253, 1797, 3401, 3759, 4193, 10203, 11381, 12579, 23807, 34143, 71421, 79667, 107221, 239001, 321663, 750547, 2037199, 2251641, 6111597, 14260393, 42781179]

約数ペア:

[(1, 42781179), (3, 14260393), (7, 6111597), (19, 2251641), (21, 2037199), (57, 750547), (133, 321663), (179, 239001), (399, 107221), (537, 79667), (599, 71421), (1253, 34143), (1797, 23807), (3401, 12579), (3759, 11381), (4193, 10203)]