320639445

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1091}}^1$

素因数の和:1423

約数の個数: 64

約数和(自身を含む): 654151680

約数和(自身を除く): 333512235

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 311, 315, 933, 945, 1091, 1555, 2177, 2799, 3273, 4665, 5455, 6531, 7637, 8397, 9819, 10885, 13995, 16365, 19593, 22911, 29457, 32655, 38185, 41985, 49095, 58779, 68733, 97965, 114555, 147285, 206199, 293895, 339301, 343665, 1017903, 1030995, 1696505, 2375107, 3053709, 5089515, 7125321, 9161127, 11875535, 15268545, 21375963, 35626605, 45805635, 64127889, 106879815, 320639445]

約数ペア:

[(1, 320639445), (3, 106879815), (5, 64127889), (7, 45805635), (9, 35626605), (15, 21375963), (21, 15268545), (27, 11875535), (35, 9161127), (45, 7125321), (63, 5089515), (105, 3053709), (135, 2375107), (189, 1696505), (311, 1030995), (315, 1017903), (933, 343665), (945, 339301), (1091, 293895), (1555, 206199), (2177, 147285), (2799, 114555), (3273, 97965), (4665, 68733), (5455, 58779), (6531, 49095), (7637, 41985), (8397, 38185), (9819, 32655), (10885, 29457), (13995, 22911), (16365, 19593)]