127788551217

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1997}}^1\times {\mathrm{5039}}^1$

素因数の和:7142

約数の個数: 48

約数和(自身を含む): 197934347520

約数和(自身を除く): 70145796303

約数列:

[1, 3, 9, 17, 51, 83, 153, 249, 747, 1411, 1997, 4233, 5039, 5991, 12699, 15117, 17973, 33949, 45351, 85663, 101847, 165751, 256989, 305541, 418237, 497253, 770967, 1254711, 1491759, 2817767, 3764133, 7110029, 8453301, 10062883, 21330087, 25359903, 30188649, 63990261, 90565947, 171069011, 513207033, 835219289, 1539621099, 2505657867, 7516973601, 14198727913, 42596183739, 127788551217]

約数ペア:

[(1, 127788551217), (3, 42596183739), (9, 14198727913), (17, 7516973601), (51, 2505657867), (83, 1539621099), (153, 835219289), (249, 513207033), (747, 171069011), (1411, 90565947), (1997, 63990261), (4233, 30188649), (5039, 25359903), (5991, 21330087), (12699, 10062883), (15117, 8453301), (17973, 7110029), (33949, 3764133), (45351, 2817767), (85663, 1491759), (101847, 1254711), (165751, 770967), (256989, 497253), (305541, 418237)]