71573229

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{311}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 128104704

約数和(自身を除く): 56531475

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 281, 311, 819, 843, 933, 1967, 2177, 2529, 2799, 3653, 4043, 5901, 6531, 10959, 12129, 17703, 19593, 25571, 28301, 32877, 36387, 76713, 84903, 87391, 230139, 254709, 262173, 611737, 786519, 1136083, 1835211, 3408249, 5505633, 7952581, 10224747, 23857743, 71573229]

約数ペア:

[(1, 71573229), (3, 23857743), (7, 10224747), (9, 7952581), (13, 5505633), (21, 3408249), (39, 1835211), (63, 1136083), (91, 786519), (117, 611737), (273, 262173), (281, 254709), (311, 230139), (819, 87391), (843, 84903), (933, 76713), (1967, 36387), (2177, 32877), (2529, 28301), (2799, 25571), (3653, 19593), (4043, 17703), (5901, 12129), (6531, 10959)]