28981558275

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1993}}^1\times {\mathrm{4729}}^1$

素因数の和:6776

約数の個数: 48

約数和(自身を含む): 49119876960

約数和(自身を除く): 20138318685

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 1993, 3075, 4729, 5979, 9965, 14187, 23645, 29895, 49825, 70935, 81713, 118225, 149475, 193889, 245139, 354675, 408565, 581667, 969445, 1225695, 2042825, 2908335, 4847225, 6128475, 9424897, 14541675, 28274691, 47124485, 141373455, 235622425, 386420777, 706867275, 1159262331, 1932103885, 5796311655, 9660519425, 28981558275]

約数ペア:

[(1, 28981558275), (3, 9660519425), (5, 5796311655), (15, 1932103885), (25, 1159262331), (41, 706867275), (75, 386420777), (123, 235622425), (205, 141373455), (615, 47124485), (1025, 28274691), (1993, 14541675), (3075, 9424897), (4729, 6128475), (5979, 4847225), (9965, 2908335), (14187, 2042825), (23645, 1225695), (29895, 969445), (49825, 581667), (70935, 408565), (81713, 354675), (118225, 245139), (149475, 193889)]