51649647

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 80609280

約数和(自身を除く): 28959633

約数列:

[1, 3, 7, 21, 79, 163, 191, 237, 489, 553, 573, 1141, 1337, 1659, 3423, 4011, 12877, 15089, 31133, 38631, 45267, 90139, 93399, 105623, 217931, 270417, 316869, 653793, 2459507, 7378521, 17216549, 51649647]

約数ペア:

[(1, 51649647), (3, 17216549), (7, 7378521), (21, 2459507), (79, 653793), (163, 316869), (191, 270417), (237, 217931), (489, 105623), (553, 93399), (573, 90139), (1141, 45267), (1337, 38631), (1659, 31133), (3423, 15089), (4011, 12877)]