16640226975

素因数分解:

$3^1\times 5^2\times {\mathrm{251}}^1\times {\mathrm{263}}^1\times {\mathrm{3361}}^1$

素因数の和:3888

約数の個数: 48

約数和(自身を含む): 27734724864

約数和(自身を除く): 11094497889

約数列:

[1, 3, 5, 15, 25, 75, 251, 263, 753, 789, 1255, 1315, 3361, 3765, 3945, 6275, 6575, 10083, 16805, 18825, 19725, 50415, 66013, 84025, 198039, 252075, 330065, 843611, 883943, 990195, 1650325, 2530833, 2651829, 4218055, 4419715, 4950975, 12654165, 13259145, 21090275, 22098575, 63270825, 66295725, 221869693, 665609079, 1109348465, 3328045395, 5546742325, 16640226975]

約数ペア:

[(1, 16640226975), (3, 5546742325), (5, 3328045395), (15, 1109348465), (25, 665609079), (75, 221869693), (251, 66295725), (263, 63270825), (753, 22098575), (789, 21090275), (1255, 13259145), (1315, 12654165), (3361, 4950975), (3765, 4419715), (3945, 4218055), (6275, 2651829), (6575, 2530833), (10083, 1650325), (16805, 990195), (18825, 883943), (19725, 843611), (50415, 330065), (66013, 252075), (84025, 198039)]