81342135

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13591}}^1$

素因数の和:13628

約数の個数: 48

約数和(自身を含む): 169628160

約数和(自身を除く): 88286025

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 5985, 13591, 40773, 67955, 95137, 122319, 203865, 258229, 285411, 475685, 611595, 774687, 856233, 1291145, 1427055, 1807603, 2324061, 3873435, 4281165, 5422809, 9038015, 11620305, 16268427, 27114045, 81342135]

約数ペア:

[(1, 81342135), (3, 27114045), (5, 16268427), (7, 11620305), (9, 9038015), (15, 5422809), (19, 4281165), (21, 3873435), (35, 2324061), (45, 1807603), (57, 1427055), (63, 1291145), (95, 856233), (105, 774687), (133, 611595), (171, 475685), (285, 285411), (315, 258229), (399, 203865), (665, 122319), (855, 95137), (1197, 67955), (1995, 40773), (5985, 13591)]