81405366

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{3793}}^1$

素因数の和:3885

約数の個数: 48

約数和(自身を含む): 192037104

約数和(自身を除く): 110631738

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 73, 98, 146, 147, 219, 294, 438, 511, 1022, 1533, 3066, 3577, 3793, 7154, 7586, 10731, 11379, 21462, 22758, 26551, 53102, 79653, 159306, 185857, 276889, 371714, 553778, 557571, 830667, 1115142, 1661334, 1938223, 3876446, 5814669, 11629338, 13567561, 27135122, 40702683, 81405366]

約数ペア:

[(1, 81405366), (2, 40702683), (3, 27135122), (6, 13567561), (7, 11629338), (14, 5814669), (21, 3876446), (42, 1938223), (49, 1661334), (73, 1115142), (98, 830667), (146, 557571), (147, 553778), (219, 371714), (294, 276889), (438, 185857), (511, 159306), (1022, 79653), (1533, 53102), (3066, 26551), (3577, 22758), (3793, 21462), (7154, 11379), (7586, 10731)]