28903095

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 27867465

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 43, 45, 65, 117, 129, 135, 195, 215, 351, 383, 387, 559, 585, 645, 1149, 1161, 1677, 1755, 1915, 1935, 2795, 3447, 4979, 5031, 5745, 5805, 8385, 10341, 14937, 15093, 16469, 17235, 24895, 25155, 44811, 49407, 51705, 74685, 75465, 82345, 134433, 148221, 214097, 224055, 247035, 444663, 642291, 672165, 741105, 1070485, 1926873, 2223315, 3211455, 5780619, 9634365, 28903095]

約数ペア:

[(1, 28903095), (3, 9634365), (5, 5780619), (9, 3211455), (13, 2223315), (15, 1926873), (27, 1070485), (39, 741105), (43, 672165), (45, 642291), (65, 444663), (117, 247035), (129, 224055), (135, 214097), (195, 148221), (215, 134433), (351, 82345), (383, 75465), (387, 74685), (559, 51705), (585, 49407), (645, 44811), (1149, 25155), (1161, 24895), (1677, 17235), (1755, 16469), (1915, 15093), (1935, 14937), (2795, 10341), (3447, 8385), (4979, 5805), (5031, 5745)]