163896405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 288707328

約数和(自身を除く): 124810923

約数列:

[1, 3, 5, 15, 17, 51, 53, 67, 85, 159, 181, 201, 255, 265, 335, 543, 795, 901, 905, 1005, 1139, 2703, 2715, 3077, 3417, 3551, 4505, 5695, 9231, 9593, 10653, 12127, 13515, 15385, 17085, 17755, 28779, 36381, 46155, 47965, 53265, 60367, 60635, 143895, 163081, 181101, 181905, 206159, 301835, 489243, 618477, 642731, 815405, 905505, 1030795, 1928193, 2446215, 3092385, 3213655, 9640965, 10926427, 32779281, 54632135, 163896405]

約数ペア:

[(1, 163896405), (3, 54632135), (5, 32779281), (15, 10926427), (17, 9640965), (51, 3213655), (53, 3092385), (67, 2446215), (85, 1928193), (159, 1030795), (181, 905505), (201, 815405), (255, 642731), (265, 618477), (335, 489243), (543, 301835), (795, 206159), (901, 181905), (905, 181101), (1005, 163081), (1139, 143895), (2703, 60635), (2715, 60367), (3077, 53265), (3417, 47965), (3551, 46155), (4505, 36381), (5695, 28779), (9231, 17755), (9593, 17085), (10653, 15385), (12127, 13515)]