81391338

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1093}}^1$

素因数の和:1308

約数の個数: 64

約数和(自身を含む): 207947520

約数和(自身を除く): 126556182

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 197, 378, 394, 591, 1093, 1182, 1379, 1773, 2186, 2758, 3279, 3546, 4137, 5319, 6558, 7651, 8274, 9837, 10638, 12411, 15302, 19674, 22953, 24822, 29511, 37233, 45906, 59022, 68859, 74466, 137718, 206577, 215321, 413154, 430642, 645963, 1291926, 1507247, 1937889, 3014494, 3875778, 4521741, 5813667, 9043482, 11627334, 13565223, 27130446, 40695669, 81391338]

約数ペア:

[(1, 81391338), (2, 40695669), (3, 27130446), (6, 13565223), (7, 11627334), (9, 9043482), (14, 5813667), (18, 4521741), (21, 3875778), (27, 3014494), (42, 1937889), (54, 1507247), (63, 1291926), (126, 645963), (189, 430642), (197, 413154), (378, 215321), (394, 206577), (591, 137718), (1093, 74466), (1182, 68859), (1379, 59022), (1773, 45906), (2186, 37233), (2758, 29511), (3279, 24822), (3546, 22953), (4137, 19674), (5319, 15302), (6558, 12411), (7651, 10638), (8274, 9837)]