2106915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 3649536

約数和(自身を除く): 1542621

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 197, 345, 465, 591, 713, 985, 2139, 2955, 3565, 4531, 6107, 10695, 13593, 18321, 22655, 30535, 67965, 91605, 140461, 421383, 702305, 2106915]

約数ペア:

[(1, 2106915), (3, 702305), (5, 421383), (15, 140461), (23, 91605), (31, 67965), (69, 30535), (93, 22655), (115, 18321), (155, 13593), (197, 10695), (345, 6107), (465, 4531), (591, 3565), (713, 2955), (985, 2139)]