71555805

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:600

約数の個数: 80

約数和(自身を含む): 143225280

約数和(自身を除く): 71669475

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 81, 85, 95, 135, 153, 171, 255, 285, 323, 405, 459, 513, 547, 765, 855, 969, 1377, 1539, 1615, 1641, 2295, 2565, 2735, 2907, 4845, 4923, 6885, 7695, 8205, 8721, 9299, 10393, 14535, 14769, 24615, 26163, 27897, 31179, 43605, 44307, 46495, 51965, 73845, 83691, 93537, 130815, 139485, 155895, 176681, 221535, 251073, 280611, 418455, 467685, 530043, 753219, 841833, 883405, 1255365, 1403055, 1590129, 2650215, 3766095, 4209165, 4770387, 7950645, 14311161, 23851935, 71555805]

約数ペア:

[(1, 71555805), (3, 23851935), (5, 14311161), (9, 7950645), (15, 4770387), (17, 4209165), (19, 3766095), (27, 2650215), (45, 1590129), (51, 1403055), (57, 1255365), (81, 883405), (85, 841833), (95, 753219), (135, 530043), (153, 467685), (171, 418455), (255, 280611), (285, 251073), (323, 221535), (405, 176681), (459, 155895), (513, 139485), (547, 130815), (765, 93537), (855, 83691), (969, 73845), (1377, 51965), (1539, 46495), (1615, 44307), (1641, 43605), (2295, 31179), (2565, 27897), (2735, 26163), (2907, 24615), (4845, 14769), (4923, 14535), (6885, 10393), (7695, 9299), (8205, 8721)]