16961889

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6073}}^1$

素因数の和:6109

約数の個数: 24

約数和(自身を含む): 27697440

約数和(自身を除く): 10735551

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 6073, 18219, 42511, 115387, 127533, 297577, 346161, 807709, 892731, 2423127, 5653963, 16961889]

約数ペア:

[(1, 16961889), (3, 5653963), (7, 2423127), (19, 892731), (21, 807709), (49, 346161), (57, 297577), (133, 127533), (147, 115387), (399, 42511), (931, 18219), (2793, 6073)]