81349164

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{4457}}^1$

素因数の和:4496

約数の個数: 72

約数和(自身を含む): 228427920

約数和(自身を除く): 147078756

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 169, 234, 338, 351, 468, 507, 676, 702, 1014, 1404, 1521, 2028, 3042, 4457, 4563, 6084, 8914, 9126, 13371, 17828, 18252, 26742, 40113, 53484, 57941, 80226, 115882, 120339, 160452, 173823, 231764, 240678, 347646, 481356, 521469, 695292, 753233, 1042938, 1506466, 1564407, 2085876, 2259699, 3012932, 3128814, 4519398, 6257628, 6779097, 9038796, 13558194, 20337291, 27116388, 40674582, 81349164]

約数ペア:

[(1, 81349164), (2, 40674582), (3, 27116388), (4, 20337291), (6, 13558194), (9, 9038796), (12, 6779097), (13, 6257628), (18, 4519398), (26, 3128814), (27, 3012932), (36, 2259699), (39, 2085876), (52, 1564407), (54, 1506466), (78, 1042938), (108, 753233), (117, 695292), (156, 521469), (169, 481356), (234, 347646), (338, 240678), (351, 231764), (468, 173823), (507, 160452), (676, 120339), (702, 115882), (1014, 80226), (1404, 57941), (1521, 53484), (2028, 40113), (3042, 26742), (4457, 18252), (4563, 17828), (6084, 13371), (8914, 9126)]