66199275

素因数分解:

$3^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 130397904

約数和(自身を除く): 64198629

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 243, 255, 405, 425, 459, 641, 675, 765, 1215, 1275, 1377, 1923, 2025, 2295, 3205, 3825, 4131, 5769, 6075, 6885, 9615, 10897, 11475, 16025, 17307, 20655, 28845, 32691, 34425, 48075, 51921, 54485, 86535, 98073, 103275, 144225, 155763, 163455, 259605, 272425, 294219, 432675, 490365, 778815, 817275, 882657, 1298025, 1471095, 2451825, 2647971, 3894075, 4413285, 7355475, 13239855, 22066425, 66199275]

約数ペア:

[(1, 66199275), (3, 22066425), (5, 13239855), (9, 7355475), (15, 4413285), (17, 3894075), (25, 2647971), (27, 2451825), (45, 1471095), (51, 1298025), (75, 882657), (81, 817275), (85, 778815), (135, 490365), (153, 432675), (225, 294219), (243, 272425), (255, 259605), (405, 163455), (425, 155763), (459, 144225), (641, 103275), (675, 98073), (765, 86535), (1215, 54485), (1275, 51921), (1377, 48075), (1923, 34425), (2025, 32691), (2295, 28845), (3205, 20655), (3825, 17307), (4131, 16025), (5769, 11475), (6075, 10897), (6885, 9615)]