1871457

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 3009600

約数和(自身を除く): 1138143

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 439, 609, 1317, 1421, 3073, 4263, 9219, 12731, 21511, 38193, 64533, 89117, 267351, 623819, 1871457]

約数ペア:

[(1, 1871457), (3, 623819), (7, 267351), (21, 89117), (29, 64533), (49, 38193), (87, 21511), (147, 12731), (203, 9219), (439, 4263), (609, 3073), (1317, 1421)]