123217815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{5897}}^1$

素因数の和:6111

約数の個数: 32

約数和(自身を含む): 226483200

約数和(自身を除く): 103265385

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 199, 597, 995, 1393, 2985, 4179, 5897, 6965, 17691, 20895, 29485, 41279, 88455, 123837, 206395, 619185, 1173503, 3520509, 5867515, 8214521, 17602545, 24643563, 41072605, 123217815]

約数ペア:

[(1, 123217815), (3, 41072605), (5, 24643563), (7, 17602545), (15, 8214521), (21, 5867515), (35, 3520509), (105, 1173503), (199, 619185), (597, 206395), (995, 123837), (1393, 88455), (2985, 41279), (4179, 29485), (5897, 20895), (6965, 17691)]