30721878

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{155161}}^1$

素因数の和:155180

約数の個数: 24

約数和(自身を含む): 72615816

約数和(自身を除く): 41893938

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 155161, 310322, 465483, 930966, 1396449, 1706771, 2792898, 3413542, 5120313, 10240626, 15360939, 30721878]

約数ペア:

[(1, 30721878), (2, 15360939), (3, 10240626), (6, 5120313), (9, 3413542), (11, 2792898), (18, 1706771), (22, 1396449), (33, 930966), (66, 465483), (99, 310322), (198, 155161)]