289370361

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1\times {\mathrm{1223}}^1$

素因数の和:1845

約数の個数: 32

約数和(自身を含む): 465315840

約数和(自身を除く): 175945479

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 593, 1223, 1779, 3669, 4151, 8561, 11267, 12453, 23237, 25683, 33801, 69711, 78869, 162659, 236607, 487977, 725239, 2175717, 5076673, 13779541, 15230019, 41338623, 96456787, 289370361]

約数ペア:

[(1, 289370361), (3, 96456787), (7, 41338623), (19, 15230019), (21, 13779541), (57, 5076673), (133, 2175717), (399, 725239), (593, 487977), (1223, 236607), (1779, 162659), (3669, 78869), (4151, 69711), (8561, 33801), (11267, 25683), (12453, 23237)]