80303307

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 130014720

約数和(自身を除く): 49711413

約数列:

[1, 3, 7, 21, 47, 49, 59, 141, 147, 177, 197, 329, 413, 591, 987, 1239, 1379, 2303, 2773, 2891, 4137, 6909, 8319, 8673, 9259, 9653, 11623, 19411, 27777, 28959, 34869, 58233, 64813, 81361, 135877, 194439, 244083, 407631, 453691, 546281, 569527, 1361073, 1638843, 1708581, 3823967, 11471901, 26767769, 80303307]

約数ペア:

[(1, 80303307), (3, 26767769), (7, 11471901), (21, 3823967), (47, 1708581), (49, 1638843), (59, 1361073), (141, 569527), (147, 546281), (177, 453691), (197, 407631), (329, 244083), (413, 194439), (591, 135877), (987, 81361), (1239, 64813), (1379, 58233), (2303, 34869), (2773, 28959), (2891, 27777), (4137, 19411), (6909, 11623), (8319, 9653), (8673, 9259)]