678743631

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{441029}}^1$

素因数の和:441060

約数の個数: 20

約数和(自身を含む): 1067292600

約数和(自身を除く): 388548969

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 441029, 1323087, 3969261, 8379551, 11907783, 25138653, 35723349, 75415959, 226247877, 678743631]

約数ペア:

[(1, 678743631), (3, 226247877), (9, 75415959), (19, 35723349), (27, 25138653), (57, 11907783), (81, 8379551), (171, 3969261), (513, 1323087), (1539, 441029)]