70445781

素因数分解:

$3^4\times 7^2\times {\mathrm{17749}}^1$

素因数の和:17775

約数の個数: 30

約数和(自身を含む): 122421750

約数和(自身を除く): 51975969

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 17749, 53247, 124243, 159741, 372729, 479223, 869701, 1118187, 1437669, 2609103, 3354561, 7827309, 10063683, 23481927, 70445781]

約数ペア:

[(1, 70445781), (3, 23481927), (7, 10063683), (9, 7827309), (21, 3354561), (27, 2609103), (49, 1437669), (63, 1118187), (81, 869701), (147, 479223), (189, 372729), (441, 159741), (567, 124243), (1323, 53247), (3969, 17749)]