56281407

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 99800064

約数和(自身を除く): 43518657

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 67, 91, 119, 181, 201, 221, 273, 357, 469, 543, 663, 871, 1139, 1267, 1407, 1547, 2353, 2613, 3077, 3417, 3801, 4641, 6097, 7059, 7973, 9231, 12127, 14807, 16471, 18291, 21539, 23919, 36381, 40001, 44421, 49413, 64617, 84889, 103649, 120003, 157651, 206159, 254667, 280007, 310947, 472953, 618477, 840021, 1103557, 1443113, 2680067, 3310671, 4329339, 8040201, 18760469, 56281407]

約数ペア:

[(1, 56281407), (3, 18760469), (7, 8040201), (13, 4329339), (17, 3310671), (21, 2680067), (39, 1443113), (51, 1103557), (67, 840021), (91, 618477), (119, 472953), (181, 310947), (201, 280007), (221, 254667), (273, 206159), (357, 157651), (469, 120003), (543, 103649), (663, 84889), (871, 64617), (1139, 49413), (1267, 44421), (1407, 40001), (1547, 36381), (2353, 23919), (2613, 21539), (3077, 18291), (3417, 16471), (3801, 14807), (4641, 12127), (6097, 9231), (7059, 7973)]