1639869

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 2826240

約数和(自身を除く): 1186371

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 229, 231, 341, 651, 687, 1023, 1603, 2387, 2519, 4809, 7099, 7161, 7557, 17633, 21297, 49693, 52899, 78089, 149079, 234267, 546623, 1639869]

約数ペア:

[(1, 1639869), (3, 546623), (7, 234267), (11, 149079), (21, 78089), (31, 52899), (33, 49693), (77, 21297), (93, 17633), (217, 7557), (229, 7161), (231, 7099), (341, 4809), (651, 2519), (687, 2387), (1023, 1603)]