28340685

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 55756800

約数和(自身を除く): 27416115

約数列:

[1, 3, 5, 9, 15, 19, 27, 29, 45, 57, 81, 87, 95, 127, 135, 145, 171, 261, 285, 381, 405, 435, 513, 551, 635, 783, 855, 1143, 1305, 1539, 1653, 1905, 2349, 2413, 2565, 2755, 3429, 3683, 3915, 4959, 5715, 7239, 7695, 8265, 10287, 11049, 11745, 12065, 14877, 17145, 18415, 21717, 24795, 33147, 36195, 44631, 51435, 55245, 65151, 69977, 74385, 99441, 108585, 165735, 195453, 209931, 223155, 298323, 325755, 349885, 497205, 629793, 977265, 1049655, 1491615, 1889379, 3148965, 5668137, 9446895, 28340685]

約数ペア:

[(1, 28340685), (3, 9446895), (5, 5668137), (9, 3148965), (15, 1889379), (19, 1491615), (27, 1049655), (29, 977265), (45, 629793), (57, 497205), (81, 349885), (87, 325755), (95, 298323), (127, 223155), (135, 209931), (145, 195453), (171, 165735), (261, 108585), (285, 99441), (381, 74385), (405, 69977), (435, 65151), (513, 55245), (551, 51435), (635, 44631), (783, 36195), (855, 33147), (1143, 24795), (1305, 21717), (1539, 18415), (1653, 17145), (1905, 14877), (2349, 12065), (2413, 11745), (2565, 11049), (2755, 10287), (3429, 8265), (3683, 7695), (3915, 7239), (4959, 5715)]