65578275

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{13879}}^1$

素因数の和:13905

約数の個数: 48

約数和(自身を含む): 137689600

約数和(自身を除く): 72111325

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4725, 13879, 41637, 69395, 97153, 124911, 208185, 291459, 346975, 374733, 485765, 624555, 874377, 1040925, 1457295, 1873665, 2428825, 2623131, 3122775, 4371885, 7286475, 9368325, 13115655, 21859425, 65578275]

約数ペア:

[(1, 65578275), (3, 21859425), (5, 13115655), (7, 9368325), (9, 7286475), (15, 4371885), (21, 3122775), (25, 2623131), (27, 2428825), (35, 1873665), (45, 1457295), (63, 1040925), (75, 874377), (105, 624555), (135, 485765), (175, 374733), (189, 346975), (225, 291459), (315, 208185), (525, 124911), (675, 97153), (945, 69395), (1575, 41637), (4725, 13879)]