1289366925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{20297}}^1$

素因数の和:20339

約数の個数: 72

約数和(自身を含む): 2678036928

約数和(自身を除く): 1388670003

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 121, 165, 175, 231, 275, 363, 385, 525, 605, 825, 847, 1155, 1815, 1925, 2541, 3025, 4235, 5775, 9075, 12705, 20297, 21175, 60891, 63525, 101485, 142079, 223267, 304455, 426237, 507425, 669801, 710395, 1116335, 1522275, 1562869, 2131185, 2455937, 3349005, 3551975, 4688607, 5581675, 7367811, 7814345, 10655925, 12279685, 16745025, 17191559, 23443035, 36839055, 39071725, 51574677, 61398425, 85957795, 117215175, 184195275, 257873385, 429788975, 1289366925]

約数ペア:

[(1, 1289366925), (3, 429788975), (5, 257873385), (7, 184195275), (11, 117215175), (15, 85957795), (21, 61398425), (25, 51574677), (33, 39071725), (35, 36839055), (55, 23443035), (75, 17191559), (77, 16745025), (105, 12279685), (121, 10655925), (165, 7814345), (175, 7367811), (231, 5581675), (275, 4688607), (363, 3551975), (385, 3349005), (525, 2455937), (605, 2131185), (825, 1562869), (847, 1522275), (1155, 1116335), (1815, 710395), (1925, 669801), (2541, 507425), (3025, 426237), (4235, 304455), (5775, 223267), (9075, 142079), (12705, 101485), (20297, 63525), (21175, 60891)]