218484405

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55807}}^1$

素因数の和:55850

約数の個数: 32

約数和(自身を含む): 401817600

約数和(自身を除く): 183333195

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 55807, 167421, 279035, 502263, 837105, 1506789, 1618403, 2511315, 4855209, 7533945, 8092015, 14565627, 24276045, 43696881, 72828135, 218484405]

約数ペア:

[(1, 218484405), (3, 72828135), (5, 43696881), (9, 24276045), (15, 14565627), (27, 8092015), (29, 7533945), (45, 4855209), (87, 2511315), (135, 1618403), (145, 1506789), (261, 837105), (435, 502263), (783, 279035), (1305, 167421), (3915, 55807)]