28807215

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1511}}^1$

素因数の和:1591

約数の個数: 32

約数和(自身を含む): 48771072

約数和(自身を除く): 19963857

約数列:

[1, 3, 5, 15, 31, 41, 93, 123, 155, 205, 465, 615, 1271, 1511, 3813, 4533, 6355, 7555, 19065, 22665, 46841, 61951, 140523, 185853, 234205, 309755, 702615, 929265, 1920481, 5761443, 9602405, 28807215]

約数ペア:

[(1, 28807215), (3, 9602405), (5, 5761443), (15, 1920481), (31, 929265), (41, 702615), (93, 309755), (123, 234205), (155, 185853), (205, 140523), (465, 61951), (615, 46841), (1271, 22665), (1511, 19065), (3813, 7555), (4533, 6355)]