2885001

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 4669440

約数和(自身を除く): 1784439

約数列:

[1, 3, 7, 21, 37, 47, 79, 111, 141, 237, 259, 329, 553, 777, 987, 1659, 1739, 2923, 3713, 5217, 8769, 11139, 12173, 20461, 25991, 36519, 61383, 77973, 137381, 412143, 961667, 2885001]

約数ペア:

[(1, 2885001), (3, 961667), (7, 412143), (21, 137381), (37, 77973), (47, 61383), (79, 36519), (111, 25991), (141, 20461), (237, 12173), (259, 11139), (329, 8769), (553, 5217), (777, 3713), (987, 2923), (1659, 1739)]