2803255

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 4249728

約数和(自身を除く): 1446473

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 101, 305, 427, 455, 505, 707, 793, 1313, 2135, 3535, 3965, 5551, 6161, 6565, 9191, 27755, 30805, 43127, 45955, 80093, 215635, 400465, 560651, 2803255]

約数ペア:

[(1, 2803255), (5, 560651), (7, 400465), (13, 215635), (35, 80093), (61, 45955), (65, 43127), (91, 30805), (101, 27755), (305, 9191), (427, 6565), (455, 6161), (505, 5551), (707, 3965), (793, 3535), (1313, 2135)]