278249823

素因数分解:

$3^7\times {\mathrm{47}}^1\times {\mathrm{2707}}^1$

素因数の和:2775

約数の個数: 32

約数和(自身を含む): 426347520

約数和(自身を除く): 148097697

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 729, 1269, 2187, 2707, 3807, 8121, 11421, 24363, 34263, 73089, 102789, 127229, 219267, 381687, 657801, 1145061, 1973403, 3435183, 5920209, 10305549, 30916647, 92749941, 278249823]

約数ペア:

[(1, 278249823), (3, 92749941), (9, 30916647), (27, 10305549), (47, 5920209), (81, 3435183), (141, 1973403), (243, 1145061), (423, 657801), (729, 381687), (1269, 219267), (2187, 127229), (2707, 102789), (3807, 73089), (8121, 34263), (11421, 24363)]