61709085

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31891}}^1$

素因数の和:31945

約数の個数: 24

約数和(自身を含む): 109453344

約数和(自身を除く): 47744259

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 31891, 95673, 159455, 287019, 478365, 1371313, 1435095, 4113939, 6856565, 12341817, 20569695, 61709085]

約数ペア:

[(1, 61709085), (3, 20569695), (5, 12341817), (9, 6856565), (15, 4113939), (43, 1435095), (45, 1371313), (129, 478365), (215, 287019), (387, 159455), (645, 95673), (1935, 31891)]