251515773

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{13679}}^1$

素因数の和:13918

約数の個数: 20

約数和(自身を含む): 377403840

約数和(自身を除く): 125888067

約数列:

[1, 3, 9, 27, 81, 227, 681, 2043, 6129, 13679, 18387, 41037, 123111, 369333, 1107999, 3105133, 9315399, 27946197, 83838591, 251515773]

約数ペア:

[(1, 251515773), (3, 83838591), (9, 27946197), (27, 9315399), (81, 3105133), (227, 1107999), (681, 369333), (2043, 123111), (6129, 41037), (13679, 18387)]