216972195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{577}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 395518464

約数和(自身を除く): 178546269

約数列:

[1, 3, 5, 11, 15, 33, 43, 53, 55, 129, 159, 165, 215, 265, 473, 577, 583, 645, 795, 1419, 1731, 1749, 2279, 2365, 2885, 2915, 6347, 6837, 7095, 8655, 8745, 11395, 19041, 24811, 25069, 30581, 31735, 34185, 74433, 75207, 91743, 95205, 124055, 125345, 152905, 272921, 336391, 372165, 376035, 458715, 818763, 1009173, 1314983, 1364605, 1681955, 3944949, 4093815, 5045865, 6574915, 14464813, 19724745, 43394439, 72324065, 216972195]

約数ペア:

[(1, 216972195), (3, 72324065), (5, 43394439), (11, 19724745), (15, 14464813), (33, 6574915), (43, 5045865), (53, 4093815), (55, 3944949), (129, 1681955), (159, 1364605), (165, 1314983), (215, 1009173), (265, 818763), (473, 458715), (577, 376035), (583, 372165), (645, 336391), (795, 272921), (1419, 152905), (1731, 125345), (1749, 124055), (2279, 95205), (2365, 91743), (2885, 75207), (2915, 74433), (6347, 34185), (6837, 31735), (7095, 30581), (8655, 25069), (8745, 24811), (11395, 19041)]