80471727

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 141702912

約数和(自身を除く): 61231185

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 227, 331, 357, 681, 993, 1071, 1589, 2043, 2317, 2979, 3859, 4767, 5627, 6951, 11577, 14301, 16881, 20853, 27013, 34731, 39389, 50643, 75137, 81039, 118167, 225411, 243117, 354501, 525959, 676233, 1277329, 1577877, 3831987, 4733631, 8941303, 11495961, 26823909, 80471727]

約数ペア:

[(1, 80471727), (3, 26823909), (7, 11495961), (9, 8941303), (17, 4733631), (21, 3831987), (51, 1577877), (63, 1277329), (119, 676233), (153, 525959), (227, 354501), (331, 243117), (357, 225411), (681, 118167), (993, 81039), (1071, 75137), (1589, 50643), (2043, 39389), (2317, 34731), (2979, 27013), (3859, 20853), (4767, 16881), (5627, 14301), (6951, 11577)]