81272808

素因数分解:

$2^3\times 3^5\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 231154560

約数和(自身を除く): 149881752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 97, 108, 162, 194, 216, 243, 291, 324, 388, 431, 486, 582, 648, 776, 862, 873, 972, 1164, 1293, 1724, 1746, 1944, 2328, 2586, 2619, 3448, 3492, 3879, 5172, 5238, 6984, 7758, 7857, 10344, 10476, 11637, 15516, 15714, 20952, 23274, 23571, 31032, 31428, 34911, 41807, 46548, 47142, 62856, 69822, 83614, 93096, 94284, 104733, 125421, 139644, 167228, 188568, 209466, 250842, 279288, 334456, 376263, 418932, 501684, 752526, 837864, 1003368, 1128789, 1505052, 2257578, 3010104, 3386367, 4515156, 6772734, 9030312, 10159101, 13545468, 20318202, 27090936, 40636404, 81272808]

約数ペア:

[(1, 81272808), (2, 40636404), (3, 27090936), (4, 20318202), (6, 13545468), (8, 10159101), (9, 9030312), (12, 6772734), (18, 4515156), (24, 3386367), (27, 3010104), (36, 2257578), (54, 1505052), (72, 1128789), (81, 1003368), (97, 837864), (108, 752526), (162, 501684), (194, 418932), (216, 376263), (243, 334456), (291, 279288), (324, 250842), (388, 209466), (431, 188568), (486, 167228), (582, 139644), (648, 125421), (776, 104733), (862, 94284), (873, 93096), (972, 83614), (1164, 69822), (1293, 62856), (1724, 47142), (1746, 46548), (1944, 41807), (2328, 34911), (2586, 31428), (2619, 31032), (3448, 23571), (3492, 23274), (3879, 20952), (5172, 15714), (5238, 15516), (6984, 11637), (7758, 10476), (7857, 10344)]