28098903

素因数分解:

$3^1\times 7^4\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 40

約数和(自身を含む): 45174528

約数和(自身を除く): 17075625

約数列:

[1, 3, 7, 21, 47, 49, 83, 141, 147, 249, 329, 343, 581, 987, 1029, 1743, 2303, 2401, 3901, 4067, 6909, 7203, 11703, 12201, 16121, 27307, 28469, 48363, 81921, 85407, 112847, 191149, 199283, 338541, 573447, 597849, 1338043, 4014129, 9366301, 28098903]

約数ペア:

[(1, 28098903), (3, 9366301), (7, 4014129), (21, 1338043), (47, 597849), (49, 573447), (83, 338541), (141, 199283), (147, 191149), (249, 112847), (329, 85407), (343, 81921), (581, 48363), (987, 28469), (1029, 27307), (1743, 16121), (2303, 12201), (2401, 11703), (3901, 7203), (4067, 6909)]