291258513

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{12263}}^1$

素因数の和:12318

約数の個数: 48

約数和(自身を含む): 535691520

約数和(自身を除く): 244433007

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 117, 203, 261, 273, 377, 609, 819, 1131, 1827, 2639, 3393, 7917, 12263, 23751, 36789, 85841, 110367, 159419, 257523, 355627, 478257, 772569, 1066881, 1115933, 1434771, 2489389, 3200643, 3347799, 4623151, 7468167, 10043397, 13869453, 22404501, 32362057, 41608359, 97086171, 291258513]

約数ペア:

[(1, 291258513), (3, 97086171), (7, 41608359), (9, 32362057), (13, 22404501), (21, 13869453), (29, 10043397), (39, 7468167), (63, 4623151), (87, 3347799), (91, 3200643), (117, 2489389), (203, 1434771), (261, 1115933), (273, 1066881), (377, 772569), (609, 478257), (819, 355627), (1131, 257523), (1827, 159419), (2639, 110367), (3393, 85841), (7917, 36789), (12263, 23751)]