1242945

素因数分解:

$3^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:65

約数の個数: 56

約数和(自身を含む): 2518272

約数和(自身を除く): 1275327

約数列:

[1, 3, 5, 9, 11, 15, 27, 31, 33, 45, 55, 81, 93, 99, 135, 155, 165, 243, 279, 297, 341, 405, 465, 495, 729, 837, 891, 1023, 1215, 1395, 1485, 1705, 2511, 2673, 3069, 3645, 4185, 4455, 5115, 7533, 8019, 9207, 12555, 13365, 15345, 22599, 27621, 37665, 40095, 46035, 82863, 112995, 138105, 248589, 414315, 1242945]

約数ペア:

[(1, 1242945), (3, 414315), (5, 248589), (9, 138105), (11, 112995), (15, 82863), (27, 46035), (31, 40095), (33, 37665), (45, 27621), (55, 22599), (81, 15345), (93, 13365), (99, 12555), (135, 9207), (155, 8019), (165, 7533), (243, 5115), (279, 4455), (297, 4185), (341, 3645), (405, 3069), (465, 2673), (495, 2511), (729, 1705), (837, 1485), (891, 1395), (1023, 1215)]