1805004

素因数分解:

$2^2\times 3^6\times {\mathrm{619}}^1$

素因数の和:641

約数の個数: 42

約数和(自身を含む): 4743620

約数和(自身を除く): 2938616

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 619, 729, 972, 1238, 1458, 1857, 2476, 2916, 3714, 5571, 7428, 11142, 16713, 22284, 33426, 50139, 66852, 100278, 150417, 200556, 300834, 451251, 601668, 902502, 1805004]

約数ペア:

[(1, 1805004), (2, 902502), (3, 601668), (4, 451251), (6, 300834), (9, 200556), (12, 150417), (18, 100278), (27, 66852), (36, 50139), (54, 33426), (81, 22284), (108, 16713), (162, 11142), (243, 7428), (324, 5571), (486, 3714), (619, 2916), (729, 2476), (972, 1857), (1238, 1458)]