71874165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 131634432

約数和(自身を除く): 59760267

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 61, 111, 165, 183, 185, 193, 305, 407, 555, 579, 671, 915, 965, 1221, 2013, 2035, 2123, 2257, 2895, 3355, 6105, 6369, 6771, 7141, 10065, 10615, 11285, 11773, 21423, 24827, 31845, 33855, 35319, 35705, 58865, 74481, 78551, 107115, 124135, 129503, 176595, 235653, 372405, 388509, 392755, 435601, 647515, 1178265, 1306803, 1942545, 2178005, 4791611, 6534015, 14374833, 23958055, 71874165]

約数ペア:

[(1, 71874165), (3, 23958055), (5, 14374833), (11, 6534015), (15, 4791611), (33, 2178005), (37, 1942545), (55, 1306803), (61, 1178265), (111, 647515), (165, 435601), (183, 392755), (185, 388509), (193, 372405), (305, 235653), (407, 176595), (555, 129503), (579, 124135), (671, 107115), (915, 78551), (965, 74481), (1221, 58865), (2013, 35705), (2035, 35319), (2123, 33855), (2257, 31845), (2895, 24827), (3355, 21423), (6105, 11773), (6369, 11285), (6771, 10615), (7141, 10065)]