21628804545

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1307}}^1\times {\mathrm{3313}}^1$

素因数の和:4671

約数の個数: 64

約数和(自身を含む): 39532573440

約数和(自身を除く): 17903768895

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1307, 1665, 3313, 3921, 4995, 6535, 9939, 11763, 16565, 19605, 29817, 35289, 48359, 49695, 58815, 89451, 122581, 145077, 149085, 176445, 241795, 367743, 435231, 447255, 612905, 725385, 1103229, 1305693, 1838715, 2176155, 3309687, 4330091, 5516145, 6528465, 12990273, 16548435, 21650455, 38970819, 64951365, 116912457, 160213367, 194854095, 480640101, 584562285, 801066835, 1441920303, 2403200505, 4325760909, 7209601515, 21628804545]

約数ペア:

[(1, 21628804545), (3, 7209601515), (5, 4325760909), (9, 2403200505), (15, 1441920303), (27, 801066835), (37, 584562285), (45, 480640101), (111, 194854095), (135, 160213367), (185, 116912457), (333, 64951365), (555, 38970819), (999, 21650455), (1307, 16548435), (1665, 12990273), (3313, 6528465), (3921, 5516145), (4995, 4330091), (6535, 3309687), (9939, 2176155), (11763, 1838715), (16565, 1305693), (19605, 1103229), (29817, 725385), (35289, 612905), (48359, 447255), (49695, 435231), (58815, 367743), (89451, 241795), (122581, 176445), (145077, 149085)]