30828987

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1319}}^1$

素因数の和:1392

約数の個数: 36

約数和(自身を含む): 52818480

約数和(自身を除く): 21989493

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 1113, 1319, 2597, 3339, 3957, 7791, 9233, 11871, 23373, 27699, 64631, 69907, 83097, 193893, 209721, 489349, 581679, 629163, 1468047, 3425443, 4404141, 10276329, 30828987]

約数ペア:

[(1, 30828987), (3, 10276329), (7, 4404141), (9, 3425443), (21, 1468047), (49, 629163), (53, 581679), (63, 489349), (147, 209721), (159, 193893), (371, 83097), (441, 69907), (477, 64631), (1113, 27699), (1319, 23373), (2597, 11871), (3339, 9233), (3957, 7791)]