253698561

素因数分解:

$3^7\times {\mathrm{311}}^1\times {\mathrm{373}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 382736640

約数和(自身を除く): 129038079

約数列:

[1, 3, 9, 27, 81, 243, 311, 373, 729, 933, 1119, 2187, 2799, 3357, 8397, 10071, 25191, 30213, 75573, 90639, 116003, 226719, 271917, 348009, 680157, 815751, 1044027, 3132081, 9396243, 28188729, 84566187, 253698561]

約数ペア:

[(1, 253698561), (3, 84566187), (9, 28188729), (27, 9396243), (81, 3132081), (243, 1044027), (311, 815751), (373, 680157), (729, 348009), (933, 271917), (1119, 226719), (2187, 116003), (2799, 90639), (3357, 75573), (8397, 30213), (10071, 25191)]