218857551

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{613}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 330086400

約数和(自身を除く): 111228849

約数列:

[1, 3, 11, 31, 33, 93, 341, 349, 613, 1023, 1047, 1839, 3839, 6743, 10819, 11517, 19003, 20229, 32457, 57009, 119009, 209033, 213937, 357027, 627099, 641811, 2353307, 6632047, 7059921, 19896141, 72952517, 218857551]

約数ペア:

[(1, 218857551), (3, 72952517), (11, 19896141), (31, 7059921), (33, 6632047), (93, 2353307), (341, 641811), (349, 627099), (613, 357027), (1023, 213937), (1047, 209033), (1839, 119009), (3839, 57009), (6743, 32457), (10819, 20229), (11517, 19003)]