9915815

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 16343040

約数和(自身を除く): 6427225

約数列:

[1, 5, 7, 13, 19, 31, 35, 37, 65, 91, 95, 133, 155, 185, 217, 247, 259, 403, 455, 481, 589, 665, 703, 1085, 1147, 1235, 1295, 1729, 2015, 2405, 2821, 2945, 3367, 3515, 4123, 4921, 5735, 7657, 8029, 8645, 9139, 14105, 14911, 16835, 20615, 21793, 24605, 38285, 40145, 45695, 53599, 63973, 74555, 104377, 108965, 152551, 267995, 283309, 319865, 521885, 762755, 1416545, 1983163, 9915815]

約数ペア:

[(1, 9915815), (5, 1983163), (7, 1416545), (13, 762755), (19, 521885), (31, 319865), (35, 283309), (37, 267995), (65, 152551), (91, 108965), (95, 104377), (133, 74555), (155, 63973), (185, 53599), (217, 45695), (247, 40145), (259, 38285), (403, 24605), (455, 21793), (481, 20615), (589, 16835), (665, 14911), (703, 14105), (1085, 9139), (1147, 8645), (1235, 8029), (1295, 7657), (1729, 5735), (2015, 4921), (2405, 4123), (2821, 3515), (2945, 3367)]