6720255

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 12519936

約数和(自身を除く): 5799681

約数列:

[1, 3, 5, 9, 15, 23, 43, 45, 69, 115, 129, 151, 207, 215, 345, 387, 453, 645, 755, 989, 1035, 1359, 1935, 2265, 2967, 3473, 4945, 6493, 6795, 8901, 10419, 14835, 17365, 19479, 31257, 32465, 44505, 52095, 58437, 97395, 149339, 156285, 292185, 448017, 746695, 1344051, 2240085, 6720255]

約数ペア:

[(1, 6720255), (3, 2240085), (5, 1344051), (9, 746695), (15, 448017), (23, 292185), (43, 156285), (45, 149339), (69, 97395), (115, 58437), (129, 52095), (151, 44505), (207, 32465), (215, 31257), (345, 19479), (387, 17365), (453, 14835), (645, 10419), (755, 8901), (989, 6795), (1035, 6493), (1359, 4945), (1935, 3473), (2265, 2967)]