1872339

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 2976768

約数和(自身を除く): 1104429

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 271, 329, 813, 987, 1897, 2303, 5691, 6909, 12737, 13279, 38211, 39837, 89159, 267477, 624113, 1872339]

約数ペア:

[(1, 1872339), (3, 624113), (7, 267477), (21, 89159), (47, 39837), (49, 38211), (141, 13279), (147, 12737), (271, 6909), (329, 5691), (813, 2303), (987, 1897)]