78509007

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:537

約数の個数: 40

約数和(自身を含む): 124678400

約数和(自身を除く): 46169393

約数列:

[1, 3, 9, 19, 27, 57, 81, 139, 171, 367, 417, 513, 1101, 1251, 1539, 2641, 3303, 3753, 6973, 7923, 9909, 11259, 20919, 23769, 29727, 51013, 62757, 71307, 153039, 188271, 213921, 459117, 564813, 969247, 1377351, 2907741, 4132053, 8723223, 26169669, 78509007]

約数ペア:

[(1, 78509007), (3, 26169669), (9, 8723223), (19, 4132053), (27, 2907741), (57, 1377351), (81, 969247), (139, 564813), (171, 459117), (367, 213921), (417, 188271), (513, 153039), (1101, 71307), (1251, 62757), (1539, 51013), (2641, 29727), (3303, 23769), (3753, 20919), (6973, 11259), (7923, 9909)]