38987415

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 71285760

約数和(自身を除く): 32298345

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 139, 207, 271, 345, 417, 695, 813, 1035, 1251, 1355, 2085, 2439, 3197, 4065, 6233, 6255, 9591, 12195, 15985, 18699, 28773, 31165, 37669, 47955, 56097, 93495, 113007, 143865, 188345, 280485, 339021, 565035, 866387, 1695105, 2599161, 4331935, 7797483, 12995805, 38987415]

約数ペア:

[(1, 38987415), (3, 12995805), (5, 7797483), (9, 4331935), (15, 2599161), (23, 1695105), (45, 866387), (69, 565035), (115, 339021), (139, 280485), (207, 188345), (271, 143865), (345, 113007), (417, 93495), (695, 56097), (813, 47955), (1035, 37669), (1251, 31165), (1355, 28773), (2085, 18699), (2439, 15985), (3197, 12195), (4065, 9591), (6233, 6255)]