51381918

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{751}}^1$

素因数の和:950

約数の個数: 64

約数和(自身を含む): 131389440

約数和(自身を除く): 80007522

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 181, 189, 362, 378, 543, 751, 1086, 1267, 1502, 1629, 2253, 2534, 3258, 3801, 4506, 4887, 5257, 6759, 7602, 9774, 10514, 11403, 13518, 15771, 20277, 22806, 31542, 34209, 40554, 47313, 68418, 94626, 135931, 141939, 271862, 283878, 407793, 815586, 951517, 1223379, 1903034, 2446758, 2854551, 3670137, 5709102, 7340274, 8563653, 17127306, 25690959, 51381918]

約数ペア:

[(1, 51381918), (2, 25690959), (3, 17127306), (6, 8563653), (7, 7340274), (9, 5709102), (14, 3670137), (18, 2854551), (21, 2446758), (27, 1903034), (42, 1223379), (54, 951517), (63, 815586), (126, 407793), (181, 283878), (189, 271862), (362, 141939), (378, 135931), (543, 94626), (751, 68418), (1086, 47313), (1267, 40554), (1502, 34209), (1629, 31542), (2253, 22806), (2534, 20277), (3258, 15771), (3801, 13518), (4506, 11403), (4887, 10514), (5257, 9774), (6759, 7602)]