2190720405

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1\times {\mathrm{7727}}^1$

素因数の和:8237

約数の個数: 32

約数和(自身を含む): 3598898688

約数和(自身を除く): 1408178283

約数列:

[1, 3, 5, 15, 41, 123, 205, 461, 615, 1383, 2305, 6915, 7727, 18901, 23181, 38635, 56703, 94505, 115905, 283515, 316807, 950421, 1584035, 3562147, 4752105, 10686441, 17810735, 53432205, 146048027, 438144081, 730240135, 2190720405]

約数ペア:

[(1, 2190720405), (3, 730240135), (5, 438144081), (15, 146048027), (41, 53432205), (123, 17810735), (205, 10686441), (461, 4752105), (615, 3562147), (1383, 1584035), (2305, 950421), (6915, 316807), (7727, 283515), (18901, 115905), (23181, 94505), (38635, 56703)]