1900392333

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{313}}^1\times {\mathrm{401}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 2993118336

約数和(自身を除く): 1092726003

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 313, 401, 721, 939, 1203, 2163, 2191, 2807, 5047, 6573, 8421, 15141, 15337, 19649, 32239, 41303, 46011, 58947, 96717, 123909, 125513, 225673, 289121, 376539, 677019, 867363, 878591, 1579711, 2023847, 2635773, 4739133, 6071541, 6150137, 12927839, 18450411, 38783517, 90494873, 271484619, 633464111, 1900392333]

約数ペア:

[(1, 1900392333), (3, 633464111), (7, 271484619), (21, 90494873), (49, 38783517), (103, 18450411), (147, 12927839), (309, 6150137), (313, 6071541), (401, 4739133), (721, 2635773), (939, 2023847), (1203, 1579711), (2163, 878591), (2191, 867363), (2807, 677019), (5047, 376539), (6573, 289121), (8421, 225673), (15141, 125513), (15337, 123909), (19649, 96717), (32239, 58947), (41303, 46011)]