40247355

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2713}}^1$

素因数の和:2787

約数の個数: 32

約数和(自身を含む): 68783616

約数和(自身を除く): 28536261

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 2713, 2967, 4945, 8139, 13565, 14835, 40695, 62399, 116659, 187197, 311995, 349977, 583295, 935985, 1749885, 2683157, 8049471, 13415785, 40247355]

約数ペア:

[(1, 40247355), (3, 13415785), (5, 8049471), (15, 2683157), (23, 1749885), (43, 935985), (69, 583295), (115, 349977), (129, 311995), (215, 187197), (345, 116659), (645, 62399), (989, 40695), (2713, 14835), (2967, 13565), (4945, 8139)]