201640509

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12263}}^1$

素因数の和:12311

約数の個数: 40

約数和(自身を含む): 356146560

約数和(自身を除く): 154506051

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1827, 2349, 5481, 12263, 16443, 36789, 85841, 110367, 257523, 331101, 355627, 772569, 993303, 1066881, 2317707, 2489389, 3200643, 6953121, 7468167, 9601929, 22404501, 28805787, 67213503, 201640509]

約数ペア:

[(1, 201640509), (3, 67213503), (7, 28805787), (9, 22404501), (21, 9601929), (27, 7468167), (29, 6953121), (63, 3200643), (81, 2489389), (87, 2317707), (189, 1066881), (203, 993303), (261, 772569), (567, 355627), (609, 331101), (783, 257523), (1827, 110367), (2349, 85841), (5481, 36789), (12263, 16443)]