198019773

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1091}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 339795456

約数和(自身を除く): 141775683

約数列:

[1, 3, 7, 9, 21, 43, 63, 67, 129, 201, 301, 387, 469, 603, 903, 1091, 1407, 2709, 2881, 3273, 4221, 7637, 8643, 9819, 20167, 22911, 25929, 46913, 60501, 68733, 73097, 140739, 181503, 219291, 328391, 422217, 511679, 657873, 985173, 1535037, 2955519, 3143171, 4605111, 9429513, 22002197, 28288539, 66006591, 198019773]

約数ペア:

[(1, 198019773), (3, 66006591), (7, 28288539), (9, 22002197), (21, 9429513), (43, 4605111), (63, 3143171), (67, 2955519), (129, 1535037), (201, 985173), (301, 657873), (387, 511679), (469, 422217), (603, 328391), (903, 219291), (1091, 181503), (1407, 140739), (2709, 73097), (2881, 68733), (3273, 60501), (4221, 46913), (7637, 25929), (8643, 22911), (9819, 20167)]