2153947845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1\times {\mathrm{719}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 3996794880

約数和(自身を除く): 1842847035

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 277, 309, 515, 719, 721, 831, 1385, 1545, 1939, 2157, 2163, 3595, 3605, 4155, 5033, 5817, 9695, 10785, 10815, 15099, 25165, 28531, 29085, 74057, 75495, 85593, 142655, 199163, 199717, 222171, 370285, 427965, 518399, 597489, 599151, 995815, 998585, 1110855, 1394141, 1555197, 2591995, 2987445, 2995755, 4182423, 6970705, 7775985, 20513789, 20912115, 61541367, 102568945, 143596523, 307706835, 430789569, 717982615, 2153947845]

約数ペア:

[(1, 2153947845), (3, 717982615), (5, 430789569), (7, 307706835), (15, 143596523), (21, 102568945), (35, 61541367), (103, 20912115), (105, 20513789), (277, 7775985), (309, 6970705), (515, 4182423), (719, 2995755), (721, 2987445), (831, 2591995), (1385, 1555197), (1545, 1394141), (1939, 1110855), (2157, 998585), (2163, 995815), (3595, 599151), (3605, 597489), (4155, 518399), (5033, 427965), (5817, 370285), (9695, 222171), (10785, 199717), (10815, 199163), (15099, 142655), (25165, 85593), (28531, 75495), (29085, 74057)]