9777767985

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{305603}}^1$

素因数の和:305699

約数の個数: 40

約数和(自身を含む): 17749480320

約数和(自身を除く): 7971712335

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 711, 1185, 2133, 3555, 6399, 10665, 31995, 305603, 916809, 1528015, 2750427, 4584045, 8251281, 13752135, 24142637, 24753843, 41256405, 72427911, 120713185, 123769215, 217283733, 362139555, 651851199, 1086418665, 1955553597, 3259255995, 9777767985]

約数ペア:

[(1, 9777767985), (3, 3259255995), (5, 1955553597), (9, 1086418665), (15, 651851199), (27, 362139555), (45, 217283733), (79, 123769215), (81, 120713185), (135, 72427911), (237, 41256405), (395, 24753843), (405, 24142637), (711, 13752135), (1185, 8251281), (2133, 4584045), (3555, 2750427), (6399, 1528015), (10665, 916809), (31995, 305603)]