81333390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{6829}}^1$

素因数の和:7236

約数の個数: 32

約数和(自身を含む): 195720480

約数和(自身を除く): 114387090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 397, 794, 1191, 1985, 2382, 3970, 5955, 6829, 11910, 13658, 20487, 34145, 40974, 68290, 102435, 204870, 2711113, 5422226, 8133339, 13555565, 16266678, 27111130, 40666695, 81333390]

約数ペア:

[(1, 81333390), (2, 40666695), (3, 27111130), (5, 16266678), (6, 13555565), (10, 8133339), (15, 5422226), (30, 2711113), (397, 204870), (794, 102435), (1191, 68290), (1985, 40974), (2382, 34145), (3970, 20487), (5955, 13658), (6829, 11910)]