3972969

素因数分解:

$3^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:57

約数の個数: 80

約数和(自身を含む): 8131200

約数和(自身を除く): 4158231

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 49, 63, 77, 81, 91, 99, 117, 143, 147, 189, 231, 273, 297, 343, 351, 429, 441, 539, 567, 637, 693, 819, 891, 1001, 1029, 1053, 1287, 1323, 1617, 1911, 2079, 2457, 3003, 3087, 3773, 3861, 3969, 4459, 4851, 5733, 6237, 7007, 7371, 9009, 9261, 11319, 11583, 13377, 14553, 17199, 21021, 27027, 27783, 33957, 40131, 43659, 49049, 51597, 63063, 81081, 101871, 120393, 147147, 189189, 305613, 361179, 441441, 567567, 1324323, 3972969]

約数ペア:

[(1, 3972969), (3, 1324323), (7, 567567), (9, 441441), (11, 361179), (13, 305613), (21, 189189), (27, 147147), (33, 120393), (39, 101871), (49, 81081), (63, 63063), (77, 51597), (81, 49049), (91, 43659), (99, 40131), (117, 33957), (143, 27783), (147, 27027), (189, 21021), (231, 17199), (273, 14553), (297, 13377), (343, 11583), (351, 11319), (429, 9261), (441, 9009), (539, 7371), (567, 7007), (637, 6237), (693, 5733), (819, 4851), (891, 4459), (1001, 3969), (1029, 3861), (1053, 3773), (1287, 3087), (1323, 3003), (1617, 2457), (1911, 2079)]