90756855

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{3557}}^1$

素因数の和:3587

約数の個数: 56

約数和(自身を含む): 186666912

約数和(自身を除く): 95910057

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 729, 945, 1215, 1701, 2835, 3557, 3645, 5103, 8505, 10671, 17785, 24899, 25515, 32013, 53355, 74697, 96039, 124495, 160065, 224091, 288117, 373485, 480195, 672273, 864351, 1120455, 1440585, 2016819, 2593053, 3361365, 4321755, 6050457, 10084095, 12965265, 18151371, 30252285, 90756855]

約数ペア:

[(1, 90756855), (3, 30252285), (5, 18151371), (7, 12965265), (9, 10084095), (15, 6050457), (21, 4321755), (27, 3361365), (35, 2593053), (45, 2016819), (63, 1440585), (81, 1120455), (105, 864351), (135, 672273), (189, 480195), (243, 373485), (315, 288117), (405, 224091), (567, 160065), (729, 124495), (945, 96039), (1215, 74697), (1701, 53355), (2835, 32013), (3557, 25515), (3645, 24899), (5103, 17785), (8505, 10671)]