78797439

素因数分解:

$3^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{907}}^1$

素因数の和:1124

約数の個数: 36

約数和(自身を含む): 133219944

約数和(自身を除く): 54422505

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 197, 441, 591, 907, 1379, 1773, 2721, 4137, 6349, 8163, 9653, 12411, 19047, 28959, 44443, 57141, 86877, 133329, 178679, 399987, 536037, 1250753, 1608111, 3752259, 8755271, 11256777, 26265813, 78797439]

約数ペア:

[(1, 78797439), (3, 26265813), (7, 11256777), (9, 8755271), (21, 3752259), (49, 1608111), (63, 1250753), (147, 536037), (197, 399987), (441, 178679), (591, 133329), (907, 86877), (1379, 57141), (1773, 44443), (2721, 28959), (4137, 19047), (6349, 12411), (8163, 9653)]