11421405

素因数分解:

$3^4\times 5^1\times {\mathrm{28201}}^1$

素因数の和:28218

約数の個数: 20

約数和(自身を含む): 20474652

約数和(自身を除く): 9053247

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 28201, 84603, 141005, 253809, 423015, 761427, 1269045, 2284281, 3807135, 11421405]

約数ペア:

[(1, 11421405), (3, 3807135), (5, 2284281), (9, 1269045), (15, 761427), (27, 423015), (45, 253809), (81, 141005), (135, 84603), (405, 28201)]