15641541

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 25683840

約数和(自身を除く): 10042299

約数列:

[1, 3, 9, 19, 23, 41, 57, 69, 97, 123, 171, 207, 291, 369, 437, 779, 873, 943, 1311, 1843, 2231, 2337, 2829, 3933, 3977, 5529, 6693, 7011, 8487, 11931, 16587, 17917, 20079, 35793, 42389, 53751, 75563, 91471, 127167, 161253, 226689, 274413, 381501, 680067, 823239, 1737949, 5213847, 15641541]

約数ペア:

[(1, 15641541), (3, 5213847), (9, 1737949), (19, 823239), (23, 680067), (41, 381501), (57, 274413), (69, 226689), (97, 161253), (123, 127167), (171, 91471), (207, 75563), (291, 53751), (369, 42389), (437, 35793), (779, 20079), (873, 17917), (943, 16587), (1311, 11931), (1843, 8487), (2231, 7011), (2337, 6693), (2829, 5529), (3933, 3977)]