1213785

素因数分解:

$3^8\times 5^1\times {\mathrm{37}}^1$

素因数の和:66

約数の個数: 36

約数和(自身を含む): 2243748

約数和(自身を除く): 1029963

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 243, 333, 405, 555, 729, 999, 1215, 1665, 2187, 2997, 3645, 4995, 6561, 8991, 10935, 14985, 26973, 32805, 44955, 80919, 134865, 242757, 404595, 1213785]

約数ペア:

[(1, 1213785), (3, 404595), (5, 242757), (9, 134865), (15, 80919), (27, 44955), (37, 32805), (45, 26973), (81, 14985), (111, 10935), (135, 8991), (185, 6561), (243, 4995), (333, 3645), (405, 2997), (555, 2187), (729, 1665), (999, 1215)]