16416351

素因数分解:

$3^6\times 7^1\times {\mathrm{3217}}^1$

素因数の和:3242

約数の個数: 28

約数和(自身を含む): 28138192

約数和(自身を除く): 11721841

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3217, 5103, 9651, 22519, 28953, 67557, 86859, 202671, 260577, 608013, 781731, 1824039, 2345193, 5472117, 16416351]

約数ペア:

[(1, 16416351), (3, 5472117), (7, 2345193), (9, 1824039), (21, 781731), (27, 608013), (63, 260577), (81, 202671), (189, 86859), (243, 67557), (567, 28953), (729, 22519), (1701, 9651), (3217, 5103)]