15972327

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 28075008

約数和(自身を除く): 12102681

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 73, 151, 161, 207, 219, 453, 483, 511, 657, 1057, 1359, 1449, 1533, 1679, 3171, 3473, 4599, 5037, 9513, 10419, 11023, 11753, 15111, 24311, 31257, 33069, 35259, 72933, 77161, 99207, 105777, 218799, 231483, 253529, 694449, 760587, 1774703, 2281761, 5324109, 15972327]

約数ペア:

[(1, 15972327), (3, 5324109), (7, 2281761), (9, 1774703), (21, 760587), (23, 694449), (63, 253529), (69, 231483), (73, 218799), (151, 105777), (161, 99207), (207, 77161), (219, 72933), (453, 35259), (483, 33069), (511, 31257), (657, 24311), (1057, 15111), (1359, 11753), (1449, 11023), (1533, 10419), (1679, 9513), (3171, 5037), (3473, 4599)]