81421578

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4583}}^1$

素因数の和:4648

約数の個数: 64

約数和(自身を含む): 211230720

約数和(自身を除く): 129809142

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 54, 63, 94, 126, 141, 189, 282, 329, 378, 423, 658, 846, 987, 1269, 1974, 2538, 2961, 4583, 5922, 8883, 9166, 13749, 17766, 27498, 32081, 41247, 64162, 82494, 96243, 123741, 192486, 215401, 247482, 288729, 430802, 577458, 646203, 866187, 1292406, 1507807, 1732374, 1938609, 3015614, 3877218, 4523421, 5815827, 9046842, 11631654, 13570263, 27140526, 40710789, 81421578]

約数ペア:

[(1, 81421578), (2, 40710789), (3, 27140526), (6, 13570263), (7, 11631654), (9, 9046842), (14, 5815827), (18, 4523421), (21, 3877218), (27, 3015614), (42, 1938609), (47, 1732374), (54, 1507807), (63, 1292406), (94, 866187), (126, 646203), (141, 577458), (189, 430802), (282, 288729), (329, 247482), (378, 215401), (423, 192486), (658, 123741), (846, 96243), (987, 82494), (1269, 64162), (1974, 41247), (2538, 32081), (2961, 27498), (4583, 17766), (5922, 13749), (8883, 9166)]