2021307615

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{106189}}^1$

素因数の和:106253

約数の個数: 40

約数和(自身を含む): 3700509120

約数和(自身を除く): 1679201505

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1269, 2115, 3807, 6345, 19035, 106189, 318567, 530945, 955701, 1592835, 2867103, 4778505, 4990883, 8601309, 14335515, 14972649, 24954415, 43006545, 44917947, 74863245, 134753841, 224589735, 404261523, 673769205, 2021307615]

約数ペア:

[(1, 2021307615), (3, 673769205), (5, 404261523), (9, 224589735), (15, 134753841), (27, 74863245), (45, 44917947), (47, 43006545), (81, 24954415), (135, 14972649), (141, 14335515), (235, 8601309), (405, 4990883), (423, 4778505), (705, 2867103), (1269, 1592835), (2115, 955701), (3807, 530945), (6345, 318567), (19035, 106189)]