278327115

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^2$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 541477872

約数和(自身を除く): 263150757

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 53, 55, 99, 103, 159, 165, 265, 309, 477, 495, 515, 583, 795, 927, 1133, 1545, 1749, 2385, 2915, 3399, 4635, 5247, 5459, 5665, 8745, 10197, 10609, 16377, 16995, 26235, 27295, 31827, 49131, 50985, 53045, 60049, 81885, 95481, 116699, 159135, 180147, 245655, 300245, 350097, 477405, 540441, 562277, 583495, 900735, 1050291, 1686831, 1750485, 2702205, 2811385, 5060493, 5251455, 6185047, 8434155, 18555141, 25302465, 30925235, 55665423, 92775705, 278327115]

約数ペア:

[(1, 278327115), (3, 92775705), (5, 55665423), (9, 30925235), (11, 25302465), (15, 18555141), (33, 8434155), (45, 6185047), (53, 5251455), (55, 5060493), (99, 2811385), (103, 2702205), (159, 1750485), (165, 1686831), (265, 1050291), (309, 900735), (477, 583495), (495, 562277), (515, 540441), (583, 477405), (795, 350097), (927, 300245), (1133, 245655), (1545, 180147), (1749, 159135), (2385, 116699), (2915, 95481), (3399, 81885), (4635, 60049), (5247, 53045), (5459, 50985), (5665, 49131), (8745, 31827), (10197, 27295), (10609, 26235), (16377, 16995)]