2019973305

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{56087}}^1$

素因数の和:56123

約数の個数: 40

約数和(自身を含む): 3770459712

約数和(自身を除く): 1750486407

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 2401, 5145, 7203, 12005, 36015, 56087, 168261, 280435, 392609, 841305, 1177827, 1963045, 2748263, 5889135, 8244789, 13741315, 19237841, 41223945, 57713523, 96189205, 134664887, 288567615, 403994661, 673324435, 2019973305]

約数ペア:

[(1, 2019973305), (3, 673324435), (5, 403994661), (7, 288567615), (15, 134664887), (21, 96189205), (35, 57713523), (49, 41223945), (105, 19237841), (147, 13741315), (245, 8244789), (343, 5889135), (735, 2748263), (1029, 1963045), (1715, 1177827), (2401, 841305), (5145, 392609), (7203, 280435), (12005, 168261), (36015, 56087)]