30188781

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1439}}^1$

素因数の和:1495

約数の個数: 40

約数和(自身を含む): 52968960

約数和(自身を除く): 22780179

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 999, 1439, 2331, 2997, 4317, 6993, 10073, 12951, 20979, 30219, 38853, 53243, 90657, 116559, 159729, 271971, 372701, 479187, 815913, 1118103, 1437561, 3354309, 4312683, 10062927, 30188781]

約数ペア:

[(1, 30188781), (3, 10062927), (7, 4312683), (9, 3354309), (21, 1437561), (27, 1118103), (37, 815913), (63, 479187), (81, 372701), (111, 271971), (189, 159729), (259, 116559), (333, 90657), (567, 53243), (777, 38853), (999, 30219), (1439, 20979), (2331, 12951), (2997, 10073), (4317, 6993)]