20210715

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{7129}}^1$

素因数の和:7153

約数の個数: 40

約数和(自身を含む): 41411040

約数和(自身を除く): 21200325

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 7129, 21387, 35645, 49903, 64161, 106935, 149709, 192483, 249515, 320805, 449127, 577449, 748545, 962415, 1347381, 2245635, 2887245, 4042143, 6736905, 20210715]

約数ペア:

[(1, 20210715), (3, 6736905), (5, 4042143), (7, 2887245), (9, 2245635), (15, 1347381), (21, 962415), (27, 748545), (35, 577449), (45, 449127), (63, 320805), (81, 249515), (105, 192483), (135, 149709), (189, 106935), (315, 64161), (405, 49903), (567, 35645), (945, 21387), (2835, 7129)]