215524413

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 346731840

約数和(自身を除く): 131207427

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 179, 251, 369, 533, 537, 753, 1599, 1611, 2259, 2327, 3263, 4797, 6981, 7339, 9789, 10291, 20943, 22017, 29367, 30873, 44929, 66051, 92619, 95407, 133783, 134787, 286221, 401349, 404361, 584077, 858663, 1204047, 1752231, 1842089, 5256693, 5526267, 16578801, 23947157, 71841471, 215524413]

約数ペア:

[(1, 215524413), (3, 71841471), (9, 23947157), (13, 16578801), (39, 5526267), (41, 5256693), (117, 1842089), (123, 1752231), (179, 1204047), (251, 858663), (369, 584077), (533, 404361), (537, 401349), (753, 286221), (1599, 134787), (1611, 133783), (2259, 95407), (2327, 92619), (3263, 66051), (4797, 44929), (6981, 30873), (7339, 29367), (9789, 22017), (10291, 20943)]