68983245

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2399}}^1$

素因数の和:2487

約数の個数: 40

約数和(自身を含む): 125452800

約数和(自身を除く): 56469555

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 2399, 3195, 5751, 7197, 9585, 11995, 21591, 28755, 35985, 64773, 107955, 170329, 194319, 323865, 510987, 851645, 971595, 1532961, 2554935, 4598883, 7664805, 13796649, 22994415, 68983245]

約数ペア:

[(1, 68983245), (3, 22994415), (5, 13796649), (9, 7664805), (15, 4598883), (27, 2554935), (45, 1532961), (71, 971595), (81, 851645), (135, 510987), (213, 323865), (355, 194319), (405, 170329), (639, 107955), (1065, 64773), (1917, 35985), (2399, 28755), (3195, 21591), (5751, 11995), (7197, 9585)]