28065765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 57254400

約数和(自身を除く): 29188635

約数列:

[1, 3, 5, 7, 13, 15, 21, 29, 35, 39, 65, 87, 91, 105, 145, 195, 203, 273, 377, 435, 455, 609, 709, 1015, 1131, 1365, 1885, 2127, 2639, 3045, 3545, 4963, 5655, 7917, 9217, 10635, 13195, 14889, 20561, 24815, 27651, 39585, 46085, 61683, 64519, 74445, 102805, 138255, 143927, 193557, 267293, 308415, 322595, 431781, 719635, 801879, 967785, 1336465, 1871051, 2158905, 4009395, 5613153, 9355255, 28065765]

約数ペア:

[(1, 28065765), (3, 9355255), (5, 5613153), (7, 4009395), (13, 2158905), (15, 1871051), (21, 1336465), (29, 967785), (35, 801879), (39, 719635), (65, 431781), (87, 322595), (91, 308415), (105, 267293), (145, 193557), (195, 143927), (203, 138255), (273, 102805), (377, 74445), (435, 64519), (455, 61683), (609, 46085), (709, 39585), (1015, 27651), (1131, 24815), (1365, 20561), (1885, 14889), (2127, 13195), (2639, 10635), (3045, 9217), (3545, 7917), (4963, 5655)]