30813573

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2663}}^1$

素因数の和:2721

約数の個数: 32

約数和(自身を含む): 51148800

約数和(自身を除く): 20335227

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 2663, 3857, 7989, 11571, 18641, 50597, 55923, 77227, 151791, 231681, 354179, 540589, 1062537, 1467313, 1621767, 4401939, 10271191, 30813573]

約数ペア:

[(1, 30813573), (3, 10271191), (7, 4401939), (19, 1621767), (21, 1467313), (29, 1062537), (57, 540589), (87, 354179), (133, 231681), (203, 151791), (399, 77227), (551, 55923), (609, 50597), (1653, 18641), (2663, 11571), (3857, 7989)]