31943067

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 48384000

約数和(自身を除く): 16440933

約数列:

[1, 3, 13, 23, 39, 69, 149, 239, 299, 447, 717, 897, 1937, 3107, 3427, 5497, 5811, 9321, 10281, 16491, 35611, 44551, 71461, 106833, 133653, 214383, 462943, 819053, 1388829, 2457159, 10647689, 31943067]

約数ペア:

[(1, 31943067), (3, 10647689), (13, 2457159), (23, 1388829), (39, 819053), (69, 462943), (149, 214383), (239, 133653), (299, 106833), (447, 71461), (717, 44551), (897, 35611), (1937, 16491), (3107, 10281), (3427, 9321), (5497, 5811)]