215475417

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{311}}^1\times {\mathrm{383}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 325877760

約数和(自身を除く): 110402343

約数列:

[1, 3, 9, 27, 67, 201, 311, 383, 603, 933, 1149, 1809, 2799, 3447, 8397, 10341, 20837, 25661, 62511, 76983, 119113, 187533, 230949, 357339, 562599, 692847, 1072017, 3216051, 7980571, 23941713, 71825139, 215475417]

約数ペア:

[(1, 215475417), (3, 71825139), (9, 23941713), (27, 7980571), (67, 3216051), (201, 1072017), (311, 692847), (383, 562599), (603, 357339), (933, 230949), (1149, 187533), (1809, 119113), (2799, 76983), (3447, 62511), (8397, 25661), (10341, 20837)]