278889399

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{24419}}^1$

素因数の和:24481

約数の個数: 24

約数和(自身を含む): 426666240

約数和(自身を除く): 147776841

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 3807, 11421, 24419, 73257, 219771, 659313, 1147693, 1977939, 3443079, 5933817, 10329237, 30987711, 92963133, 278889399]

約数ペア:

[(1, 278889399), (3, 92963133), (9, 30987711), (27, 10329237), (47, 5933817), (81, 3443079), (141, 1977939), (243, 1147693), (423, 659313), (1269, 219771), (3807, 73257), (11421, 24419)]