39780915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1721}}^1$

素因数の和:1819

約数の個数: 32

約数和(自身を含む): 67447296

約数和(自身を除く): 27666381

約数列:

[1, 3, 5, 15, 23, 67, 69, 115, 201, 335, 345, 1005, 1541, 1721, 4623, 5163, 7705, 8605, 23115, 25815, 39583, 115307, 118749, 197915, 345921, 576535, 593745, 1729605, 2652061, 7956183, 13260305, 39780915]

約数ペア:

[(1, 39780915), (3, 13260305), (5, 7956183), (15, 2652061), (23, 1729605), (67, 593745), (69, 576535), (115, 345921), (201, 197915), (335, 118749), (345, 115307), (1005, 39583), (1541, 25815), (1721, 23115), (4623, 8605), (5163, 7705)]