90174789

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 142296000

約数和(自身を除く): 52121211

約数列:

[1, 3, 9, 23, 27, 69, 81, 97, 207, 291, 499, 621, 873, 1497, 1863, 2231, 2619, 4491, 6693, 7857, 11477, 13473, 20079, 34431, 40419, 48403, 60237, 103293, 145209, 180711, 309879, 435627, 929637, 1113269, 1306881, 3339807, 3920643, 10019421, 30058263, 90174789]

約数ペア:

[(1, 90174789), (3, 30058263), (9, 10019421), (23, 3920643), (27, 3339807), (69, 1306881), (81, 1113269), (97, 929637), (207, 435627), (291, 309879), (499, 180711), (621, 145209), (873, 103293), (1497, 60237), (1863, 48403), (2231, 40419), (2619, 34431), (4491, 20079), (6693, 13473), (7857, 11477)]