90163647

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 154522368

約数和(自身を除く): 64358721

約数列:

[1, 3, 7, 9, 21, 43, 63, 83, 129, 249, 301, 387, 401, 581, 747, 903, 1203, 1743, 2709, 2807, 3569, 3609, 5229, 8421, 10707, 17243, 24983, 25263, 32121, 33283, 51729, 74949, 99849, 120701, 155187, 224847, 232981, 299547, 362103, 698943, 1086309, 1431169, 2096829, 4293507, 10018183, 12880521, 30054549, 90163647]

約数ペア:

[(1, 90163647), (3, 30054549), (7, 12880521), (9, 10018183), (21, 4293507), (43, 2096829), (63, 1431169), (83, 1086309), (129, 698943), (249, 362103), (301, 299547), (387, 232981), (401, 224847), (581, 155187), (747, 120701), (903, 99849), (1203, 74949), (1743, 51729), (2709, 33283), (2807, 32121), (3569, 25263), (3609, 24983), (5229, 17243), (8421, 10707)]