195117579

素因数分解:

$3^9\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 306104832

約数和(自身を除く): 110987253

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 431, 621, 729, 1293, 1863, 2187, 3879, 5589, 6561, 9913, 11637, 16767, 19683, 29739, 34911, 50301, 89217, 104733, 150903, 267651, 314199, 452709, 802953, 942597, 2408859, 2827791, 7226577, 8483373, 21679731, 65039193, 195117579]

約数ペア:

[(1, 195117579), (3, 65039193), (9, 21679731), (23, 8483373), (27, 7226577), (69, 2827791), (81, 2408859), (207, 942597), (243, 802953), (431, 452709), (621, 314199), (729, 267651), (1293, 150903), (1863, 104733), (2187, 89217), (3879, 50301), (5589, 34911), (6561, 29739), (9913, 19683), (11637, 16767)]