90179649

素因数分解:

$3^4\times 7^2\times {\mathrm{22721}}^1$

素因数の和:22747

約数の個数: 30

約数和(自身を含む): 156713634

約数和(自身を除く): 66533985

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 22721, 68163, 159047, 204489, 477141, 613467, 1113329, 1431423, 1840401, 3339987, 4294269, 10019961, 12882807, 30059883, 90179649]

約数ペア:

[(1, 90179649), (3, 30059883), (7, 12882807), (9, 10019961), (21, 4294269), (27, 3339987), (49, 1840401), (63, 1431423), (81, 1113329), (147, 613467), (189, 477141), (441, 204489), (567, 159047), (1323, 68163), (3969, 22721)]