90900873

素因数分解:

$3^4\times 7^1\times {\mathrm{160319}}^1$

素因数の和:160338

約数の個数: 20

約数和(自身を含む): 155189760

約数和(自身を除く): 64288887

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 160319, 480957, 1122233, 1442871, 3366699, 4328613, 10100097, 12985839, 30300291, 90900873]

約数ペア:

[(1, 90900873), (3, 30300291), (7, 12985839), (9, 10100097), (21, 4328613), (27, 3366699), (63, 1442871), (81, 1122233), (189, 480957), (567, 160319)]