25868985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{443}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 44115840

約数和(自身を除く): 18246855

約数列:

[1, 3, 5, 15, 17, 51, 85, 229, 255, 443, 687, 1145, 1329, 2215, 3435, 3893, 6645, 7531, 11679, 19465, 22593, 37655, 58395, 101447, 112965, 304341, 507235, 1521705, 1724599, 5173797, 8622995, 25868985]

約数ペア:

[(1, 25868985), (3, 8622995), (5, 5173797), (15, 1724599), (17, 1521705), (51, 507235), (85, 304341), (229, 112965), (255, 101447), (443, 58395), (687, 37655), (1145, 22593), (1329, 19465), (2215, 11679), (3435, 7531), (3893, 6645)]