254890947

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{569}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 372096000

約数和(自身を除く): 117205053

約数列:

[1, 3, 19, 29, 57, 87, 271, 551, 569, 813, 1653, 1707, 5149, 7859, 10811, 15447, 16501, 23577, 32433, 49503, 149321, 154199, 313519, 447963, 462597, 940557, 2929781, 4471771, 8789343, 13415313, 84963649, 254890947]

約数ペア:

[(1, 254890947), (3, 84963649), (19, 13415313), (29, 8789343), (57, 4471771), (87, 2929781), (271, 940557), (551, 462597), (569, 447963), (813, 313519), (1653, 154199), (1707, 149321), (5149, 49503), (7859, 32433), (10811, 23577), (15447, 16501)]