39893973

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 62361600

約数和(自身を除く): 22467627

約数列:

[1, 3, 7, 21, 79, 139, 173, 237, 417, 519, 553, 973, 1211, 1659, 2919, 3633, 10981, 13667, 24047, 32943, 41001, 72141, 76867, 95669, 168329, 230601, 287007, 504987, 1899713, 5699139, 13297991, 39893973]

約数ペア:

[(1, 39893973), (3, 13297991), (7, 5699139), (21, 1899713), (79, 504987), (139, 287007), (173, 230601), (237, 168329), (417, 95669), (519, 76867), (553, 72141), (973, 41001), (1211, 32943), (1659, 24047), (2919, 13667), (3633, 10981)]