2891736711

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:773

約数の個数: 72

約数和(自身を含む): 4664537280

約数和(自身を除く): 1772800569

約数列:

[1, 3, 9, 19, 29, 47, 57, 87, 141, 171, 261, 361, 423, 551, 653, 893, 1083, 1363, 1653, 1959, 2679, 3249, 4089, 4959, 5877, 8037, 10469, 12267, 12407, 16967, 18937, 25897, 30691, 31407, 37221, 50901, 56811, 77691, 92073, 94221, 111663, 152703, 170433, 233073, 235733, 276219, 359803, 492043, 583129, 707199, 890039, 1079409, 1476129, 1749387, 2121597, 2670117, 3238227, 4428387, 5248161, 6836257, 8010351, 11079451, 16910741, 20508771, 33238353, 50732223, 61526313, 99715059, 152196669, 321304079, 963912237, 2891736711]

約数ペア:

[(1, 2891736711), (3, 963912237), (9, 321304079), (19, 152196669), (29, 99715059), (47, 61526313), (57, 50732223), (87, 33238353), (141, 20508771), (171, 16910741), (261, 11079451), (361, 8010351), (423, 6836257), (551, 5248161), (653, 4428387), (893, 3238227), (1083, 2670117), (1363, 2121597), (1653, 1749387), (1959, 1476129), (2679, 1079409), (3249, 890039), (4089, 707199), (4959, 583129), (5877, 492043), (8037, 359803), (10469, 276219), (12267, 235733), (12407, 233073), (16967, 170433), (18937, 152703), (25897, 111663), (30691, 94221), (31407, 92073), (37221, 77691), (50901, 56811)]