171877251

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1697}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 292680864

約数和(自身を除く): 120803613

約数列:

[1, 3, 7, 13, 21, 39, 49, 53, 91, 147, 159, 273, 371, 637, 689, 1113, 1697, 1911, 2067, 2597, 4823, 5091, 7791, 11879, 14469, 22061, 33761, 35637, 66183, 83153, 89941, 101283, 154427, 249459, 269823, 463281, 629587, 1080989, 1169233, 1888761, 3242967, 3507699, 4407109, 8184631, 13221327, 24553893, 57292417, 171877251]

約数ペア:

[(1, 171877251), (3, 57292417), (7, 24553893), (13, 13221327), (21, 8184631), (39, 4407109), (49, 3507699), (53, 3242967), (91, 1888761), (147, 1169233), (159, 1080989), (273, 629587), (371, 463281), (637, 269823), (689, 249459), (1113, 154427), (1697, 101283), (1911, 89941), (2067, 83153), (2597, 66183), (4823, 35637), (5091, 33761), (7791, 22061), (11879, 14469)]