81747210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{13693}}^1$

素因数の和:13902

約数の個数: 32

約数和(自身を含む): 197193600

約数和(自身を除く): 115446390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 199, 398, 597, 995, 1194, 1990, 2985, 5970, 13693, 27386, 41079, 68465, 82158, 136930, 205395, 410790, 2724907, 5449814, 8174721, 13624535, 16349442, 27249070, 40873605, 81747210]

約数ペア:

[(1, 81747210), (2, 40873605), (3, 27249070), (5, 16349442), (6, 13624535), (10, 8174721), (15, 5449814), (30, 2724907), (199, 410790), (398, 205395), (597, 136930), (995, 82158), (1194, 68465), (1990, 41079), (2985, 27386), (5970, 13693)]