140978943

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{947}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 248451840

約数和(自身を除く): 107472897

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 139, 153, 357, 417, 947, 973, 1071, 1251, 2363, 2841, 2919, 6629, 7089, 8523, 8757, 16099, 16541, 19887, 21267, 48297, 49623, 59661, 112693, 131633, 144891, 148869, 338079, 394899, 921431, 1014237, 1184697, 2237761, 2764293, 6713283, 8292879, 15664327, 20139849, 46992981, 140978943]

約数ペア:

[(1, 140978943), (3, 46992981), (7, 20139849), (9, 15664327), (17, 8292879), (21, 6713283), (51, 2764293), (63, 2237761), (119, 1184697), (139, 1014237), (153, 921431), (357, 394899), (417, 338079), (947, 148869), (973, 144891), (1071, 131633), (1251, 112693), (2363, 59661), (2841, 49623), (2919, 48297), (6629, 21267), (7089, 19887), (8523, 16541), (8757, 16099)]