1620458973

素因数分解:

$3^3\times 7^1\times {\mathrm{2857}}^1\times {\mathrm{3001}}^1$

素因数の和:5874

約数の個数: 32

約数和(自身を含む): 2745509120

約数和(自身を除く): 1125050147

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2857, 3001, 8571, 9003, 19999, 21007, 25713, 27009, 59997, 63021, 77139, 81027, 179991, 189063, 539973, 567189, 8573857, 25721571, 60016999, 77164713, 180050997, 231494139, 540152991, 1620458973]

約数ペア:

[(1, 1620458973), (3, 540152991), (7, 231494139), (9, 180050997), (21, 77164713), (27, 60016999), (63, 25721571), (189, 8573857), (2857, 567189), (3001, 539973), (8571, 189063), (9003, 179991), (19999, 81027), (21007, 77139), (25713, 63021), (27009, 59997)]