31417275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 56433888

約数和(自身を除く): 25016613

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 85, 123, 205, 255, 425, 601, 615, 697, 1025, 1275, 1803, 2091, 3005, 3075, 3485, 9015, 10217, 10455, 15025, 17425, 24641, 30651, 45075, 51085, 52275, 73923, 123205, 153255, 255425, 369615, 418897, 616025, 766275, 1256691, 1848075, 2094485, 6283455, 10472425, 31417275]

約数ペア:

[(1, 31417275), (3, 10472425), (5, 6283455), (15, 2094485), (17, 1848075), (25, 1256691), (41, 766275), (51, 616025), (75, 418897), (85, 369615), (123, 255425), (205, 153255), (255, 123205), (425, 73923), (601, 52275), (615, 51085), (697, 45075), (1025, 30651), (1275, 24641), (1803, 17425), (2091, 15025), (3005, 10455), (3075, 10217), (3485, 9015)]