203747805

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 391883184

約数和(自身を除く): 188135379

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 101, 135, 153, 255, 293, 303, 405, 459, 505, 765, 879, 909, 1377, 1465, 1515, 1717, 2295, 2637, 2727, 4395, 4545, 4981, 5151, 6885, 7911, 8181, 8585, 13185, 13635, 14943, 15453, 23733, 24905, 25755, 29593, 39555, 40905, 44829, 46359, 74715, 77265, 88779, 118665, 134487, 139077, 147965, 224145, 231795, 266337, 403461, 443895, 503081, 672435, 695385, 799011, 1331685, 1509243, 2017305, 2397033, 2515405, 3995055, 4527729, 7546215, 11985165, 13583187, 22638645, 40749561, 67915935, 203747805]

約数ペア:

[(1, 203747805), (3, 67915935), (5, 40749561), (9, 22638645), (15, 13583187), (17, 11985165), (27, 7546215), (45, 4527729), (51, 3995055), (81, 2515405), (85, 2397033), (101, 2017305), (135, 1509243), (153, 1331685), (255, 799011), (293, 695385), (303, 672435), (405, 503081), (459, 443895), (505, 403461), (765, 266337), (879, 231795), (909, 224145), (1377, 147965), (1465, 139077), (1515, 134487), (1717, 118665), (2295, 88779), (2637, 77265), (2727, 74715), (4395, 46359), (4545, 44829), (4981, 40905), (5151, 39555), (6885, 29593), (7911, 25755), (8181, 24905), (8585, 23733), (13185, 15453), (13635, 14943)]