201855405

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{1321}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 330478848

約数和(自身を除く): 128623443

約数列:

[1, 3, 5, 15, 61, 167, 183, 305, 501, 835, 915, 1321, 2505, 3963, 6605, 10187, 19815, 30561, 50935, 80581, 152805, 220607, 241743, 402905, 661821, 1103035, 1208715, 3309105, 13457027, 40371081, 67285135, 201855405]

約数ペア:

[(1, 201855405), (3, 67285135), (5, 40371081), (15, 13457027), (61, 3309105), (167, 1208715), (183, 1103035), (305, 661821), (501, 402905), (835, 241743), (915, 220607), (1321, 152805), (2505, 80581), (3963, 50935), (6605, 30561), (10187, 19815)]