28728483

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{4133}}^1$

素因数の和:4474

約数の個数: 16

約数和(自身を含む): 43919616

約数和(自身を除く): 15191133

約数列:

[1, 3, 7, 21, 331, 993, 2317, 4133, 6951, 12399, 28931, 86793, 1368023, 4104069, 9576161, 28728483]

約数ペア:

[(1, 28728483), (3, 9576161), (7, 4104069), (21, 1368023), (331, 86793), (993, 28931), (2317, 12399), (4133, 6951)]