81701613

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 140849280

約数和(自身を除く): 59147667

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 197, 203, 227, 261, 591, 609, 681, 1379, 1589, 1773, 1827, 2043, 4137, 4767, 5713, 6583, 12411, 14301, 17139, 19749, 39991, 44719, 46081, 51417, 59247, 119973, 134157, 138243, 313033, 359919, 402471, 414729, 939099, 1296851, 2817297, 3890553, 9077957, 11671659, 27233871, 81701613]

約数ペア:

[(1, 81701613), (3, 27233871), (7, 11671659), (9, 9077957), (21, 3890553), (29, 2817297), (63, 1296851), (87, 939099), (197, 414729), (203, 402471), (227, 359919), (261, 313033), (591, 138243), (609, 134157), (681, 119973), (1379, 59247), (1589, 51417), (1773, 46081), (1827, 44719), (2043, 39991), (4137, 19749), (4767, 17139), (5713, 14301), (6583, 12411)]