161651637

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{5471}}^1$

素因数の和:5558

約数の個数: 36

約数和(自身を含む): 275723136

約数和(自身を除く): 114071499

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 147, 201, 441, 469, 603, 1407, 3283, 4221, 5471, 9849, 16413, 29547, 38297, 49239, 114891, 268079, 344673, 366557, 804237, 1099671, 2412711, 2565899, 3299013, 7697697, 17961293, 23093091, 53883879, 161651637]

約数ペア:

[(1, 161651637), (3, 53883879), (7, 23093091), (9, 17961293), (21, 7697697), (49, 3299013), (63, 2565899), (67, 2412711), (147, 1099671), (201, 804237), (441, 366557), (469, 344673), (603, 268079), (1407, 114891), (3283, 49239), (4221, 38297), (5471, 29547), (9849, 16413)]