201781026

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{13721}}^1$

素因数の和:13791

約数の個数: 48

約数和(自身を含む): 470939040

約数和(自身を除く): 269158014

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 86, 114, 129, 171, 258, 342, 387, 774, 817, 1634, 2451, 4902, 7353, 13721, 14706, 27442, 41163, 82326, 123489, 246978, 260699, 521398, 590003, 782097, 1180006, 1564194, 1770009, 2346291, 3540018, 4692582, 5310027, 10620054, 11210057, 22420114, 33630171, 67260342, 100890513, 201781026]

約数ペア:

[(1, 201781026), (2, 100890513), (3, 67260342), (6, 33630171), (9, 22420114), (18, 11210057), (19, 10620054), (38, 5310027), (43, 4692582), (57, 3540018), (86, 2346291), (114, 1770009), (129, 1564194), (171, 1180006), (258, 782097), (342, 590003), (387, 521398), (774, 260699), (817, 246978), (1634, 123489), (2451, 82326), (4902, 41163), (7353, 27442), (13721, 14706)]