81528447

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1597}}^1$

素因数の和:1648

約数の個数: 64

約数和(自身を含む): 154635264

約数和(自身を除く): 73106817

約数列:

[1, 3, 7, 11, 13, 17, 21, 33, 39, 51, 77, 91, 119, 143, 187, 221, 231, 273, 357, 429, 561, 663, 1001, 1309, 1547, 1597, 2431, 3003, 3927, 4641, 4791, 7293, 11179, 17017, 17567, 20761, 27149, 33537, 51051, 52701, 62283, 81447, 122969, 145327, 190043, 228371, 298639, 352937, 368907, 435981, 570129, 685113, 895917, 1058811, 1598597, 2090473, 2470559, 3882307, 4795791, 6271419, 7411677, 11646921, 27176149, 81528447]

約数ペア:

[(1, 81528447), (3, 27176149), (7, 11646921), (11, 7411677), (13, 6271419), (17, 4795791), (21, 3882307), (33, 2470559), (39, 2090473), (51, 1598597), (77, 1058811), (91, 895917), (119, 685113), (143, 570129), (187, 435981), (221, 368907), (231, 352937), (273, 298639), (357, 228371), (429, 190043), (561, 145327), (663, 122969), (1001, 81447), (1309, 62283), (1547, 52701), (1597, 51051), (2431, 33537), (3003, 27149), (3927, 20761), (4641, 17567), (4791, 17017), (7293, 11179)]