189568509

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 278175744

約数和(自身を除く): 88607235

約数列:

[1, 3, 13, 39, 71, 213, 223, 307, 669, 921, 923, 2769, 2899, 3991, 8697, 11973, 15833, 21797, 47499, 65391, 68461, 205383, 205829, 283361, 617487, 850083, 889993, 2669979, 4860731, 14582193, 63189503, 189568509]

約数ペア:

[(1, 189568509), (3, 63189503), (13, 14582193), (39, 4860731), (71, 2669979), (213, 889993), (223, 850083), (307, 617487), (669, 283361), (921, 205829), (923, 205383), (2769, 68461), (2899, 65391), (3991, 47499), (8697, 21797), (11973, 15833)]