820143765

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{8111}}^1$

素因数の和:8239

約数の個数: 64

約数和(自身を含む): 1682104320

約数和(自身を除く): 861960555

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 107, 135, 189, 315, 321, 535, 749, 945, 963, 1605, 2247, 2889, 3745, 4815, 6741, 8111, 11235, 14445, 20223, 24333, 33705, 40555, 56777, 72999, 101115, 121665, 170331, 218997, 283885, 364995, 510993, 851655, 867877, 1094985, 1532979, 2554965, 2603631, 4339385, 6075139, 7664895, 7810893, 13018155, 18225417, 23432679, 30375695, 39054465, 54676251, 91127085, 117163395, 164028753, 273381255, 820143765]

約数ペア:

[(1, 820143765), (3, 273381255), (5, 164028753), (7, 117163395), (9, 91127085), (15, 54676251), (21, 39054465), (27, 30375695), (35, 23432679), (45, 18225417), (63, 13018155), (105, 7810893), (107, 7664895), (135, 6075139), (189, 4339385), (315, 2603631), (321, 2554965), (535, 1532979), (749, 1094985), (945, 867877), (963, 851655), (1605, 510993), (2247, 364995), (2889, 283885), (3745, 218997), (4815, 170331), (6741, 121665), (8111, 101115), (11235, 72999), (14445, 56777), (20223, 40555), (24333, 33705)]