785048943

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 1293449472

約数和(自身を除く): 508400529

約数列:

[1, 3, 7, 21, 37, 47, 49, 83, 111, 141, 147, 249, 259, 329, 581, 777, 987, 1369, 1739, 1743, 1813, 2303, 3071, 3901, 4067, 4107, 5217, 5439, 6909, 9213, 9583, 11703, 12173, 12201, 21497, 27307, 28749, 36519, 64343, 64491, 67081, 81921, 85211, 113627, 144337, 150479, 191149, 193029, 201243, 255633, 340881, 433011, 450401, 451437, 573447, 795389, 1010359, 1351203, 2386167, 3031077, 3152807, 5340469, 5567723, 7072513, 9458421, 16021407, 16703169, 21217539, 37383283, 112149849, 261682981, 785048943]

約数ペア:

[(1, 785048943), (3, 261682981), (7, 112149849), (21, 37383283), (37, 21217539), (47, 16703169), (49, 16021407), (83, 9458421), (111, 7072513), (141, 5567723), (147, 5340469), (249, 3152807), (259, 3031077), (329, 2386167), (581, 1351203), (777, 1010359), (987, 795389), (1369, 573447), (1739, 451437), (1743, 450401), (1813, 433011), (2303, 340881), (3071, 255633), (3901, 201243), (4067, 193029), (4107, 191149), (5217, 150479), (5439, 144337), (6909, 113627), (9213, 85211), (9583, 81921), (11703, 67081), (12173, 64491), (12201, 64343), (21497, 36519), (27307, 28749)]