2005021641

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{257351}}^1$

素因数の和:257421

約数の個数: 24

約数和(自身を含む): 3168517824

約数和(自身を除く): 1163496183

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 7791, 257351, 772053, 1801457, 5404371, 12610199, 13639603, 37830597, 40918809, 95477221, 286431663, 668340547, 2005021641]

約数ペア:

[(1, 2005021641), (3, 668340547), (7, 286431663), (21, 95477221), (49, 40918809), (53, 37830597), (147, 13639603), (159, 12610199), (371, 5404371), (1113, 1801457), (2597, 772053), (7791, 257351)]