201984111

素因数分解:

$3^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2269}}^1$

素因数の和:2445

約数の個数: 40

約数和(自身を含む): 347182880

約数和(自身を除く): 145198769

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 157, 189, 471, 567, 1099, 1413, 2269, 3297, 4239, 6807, 9891, 12717, 15883, 20421, 29673, 47649, 61263, 89019, 142947, 183789, 356233, 428841, 1068699, 1286523, 2493631, 3206097, 7480893, 9618291, 22442679, 28854873, 67328037, 201984111]

約数ペア:

[(1, 201984111), (3, 67328037), (7, 28854873), (9, 22442679), (21, 9618291), (27, 7480893), (63, 3206097), (81, 2493631), (157, 1286523), (189, 1068699), (471, 428841), (567, 356233), (1099, 183789), (1413, 142947), (2269, 89019), (3297, 61263), (4239, 47649), (6807, 29673), (9891, 20421), (12717, 15883)]