385180815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{10867}}^1$

素因数の和:11031

約数の個数: 32

約数和(自身を含む): 657296640

約数和(自身を除く): 272115825

約数列:

[1, 3, 5, 15, 17, 51, 85, 139, 255, 417, 695, 2085, 2363, 7089, 10867, 11815, 32601, 35445, 54335, 163005, 184739, 554217, 923695, 1510513, 2771085, 4531539, 7552565, 22657695, 25678721, 77036163, 128393605, 385180815]

約数ペア:

[(1, 385180815), (3, 128393605), (5, 77036163), (15, 25678721), (17, 22657695), (51, 7552565), (85, 4531539), (139, 2771085), (255, 1510513), (417, 923695), (695, 554217), (2085, 184739), (2363, 163005), (7089, 54335), (10867, 35445), (11815, 32601)]