18027405

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 16567155

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 79, 99, 165, 237, 395, 461, 495, 711, 869, 1185, 1383, 2305, 2607, 3555, 4149, 4345, 5071, 6915, 7821, 13035, 15213, 20745, 25355, 36419, 39105, 45639, 76065, 109257, 182095, 228195, 327771, 400609, 546285, 1201827, 1638855, 2003045, 3605481, 6009135, 18027405]

約数ペア:

[(1, 18027405), (3, 6009135), (5, 3605481), (9, 2003045), (11, 1638855), (15, 1201827), (33, 546285), (45, 400609), (55, 327771), (79, 228195), (99, 182095), (165, 109257), (237, 76065), (395, 45639), (461, 39105), (495, 36419), (711, 25355), (869, 20745), (1185, 15213), (1383, 13035), (2305, 7821), (2607, 6915), (3555, 5071), (4149, 4345)]