278442801

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2677}}^1$

素因数の和:2830

約数の個数: 48

約数和(自身を含む): 499093504

約数和(自身を除く): 220650703

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 127, 273, 381, 819, 889, 1143, 1651, 2667, 2677, 4953, 8001, 8031, 11557, 14859, 18739, 24093, 34671, 34801, 56217, 104013, 104403, 168651, 243607, 313209, 339979, 730821, 1019937, 2192463, 2379853, 3059811, 4419727, 7139559, 13259181, 21418677, 30938089, 39777543, 92814267, 278442801]

約数ペア:

[(1, 278442801), (3, 92814267), (7, 39777543), (9, 30938089), (13, 21418677), (21, 13259181), (39, 7139559), (63, 4419727), (91, 3059811), (117, 2379853), (127, 2192463), (273, 1019937), (381, 730821), (819, 339979), (889, 313209), (1143, 243607), (1651, 168651), (2667, 104403), (2677, 104013), (4953, 56217), (8001, 34801), (8031, 34671), (11557, 24093), (14859, 18739)]