121553775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1181

約数の個数: 72

約数和(自身を含む): 252555264

約数和(自身を除く): 131001489

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 71, 75, 105, 175, 213, 225, 315, 355, 497, 525, 639, 1065, 1087, 1491, 1575, 1775, 2485, 3195, 3261, 4473, 5325, 5435, 7455, 7609, 9783, 12425, 15975, 16305, 22365, 22827, 27175, 37275, 38045, 48915, 68481, 77177, 81525, 111825, 114135, 190225, 231531, 244575, 342405, 385885, 540239, 570675, 694593, 1157655, 1620717, 1712025, 1929425, 2701195, 3472965, 4862151, 5788275, 8103585, 13505975, 17364825, 24310755, 40517925, 121553775]

約数ペア:

[(1, 121553775), (3, 40517925), (5, 24310755), (7, 17364825), (9, 13505975), (15, 8103585), (21, 5788275), (25, 4862151), (35, 3472965), (45, 2701195), (63, 1929425), (71, 1712025), (75, 1620717), (105, 1157655), (175, 694593), (213, 570675), (225, 540239), (315, 385885), (355, 342405), (497, 244575), (525, 231531), (639, 190225), (1065, 114135), (1087, 111825), (1491, 81525), (1575, 77177), (1775, 68481), (2485, 48915), (3195, 38045), (3261, 37275), (4473, 27175), (5325, 22827), (5435, 22365), (7455, 16305), (7609, 15975), (9783, 12425)]