38451825

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 73120320

約数和(自身を除く): 34668495

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 71, 75, 83, 87, 145, 213, 225, 249, 261, 355, 415, 435, 639, 725, 747, 1065, 1245, 1305, 1775, 2059, 2075, 2175, 2407, 3195, 3735, 5325, 5893, 6177, 6225, 6525, 7221, 10295, 12035, 15975, 17679, 18531, 18675, 21663, 29465, 30885, 36105, 51475, 53037, 60175, 88395, 92655, 108315, 147325, 154425, 170897, 180525, 265185, 441975, 463275, 512691, 541575, 854485, 1325925, 1538073, 2563455, 4272425, 7690365, 12817275, 38451825]

約数ペア:

[(1, 38451825), (3, 12817275), (5, 7690365), (9, 4272425), (15, 2563455), (25, 1538073), (29, 1325925), (45, 854485), (71, 541575), (75, 512691), (83, 463275), (87, 441975), (145, 265185), (213, 180525), (225, 170897), (249, 154425), (261, 147325), (355, 108315), (415, 92655), (435, 88395), (639, 60175), (725, 53037), (747, 51475), (1065, 36105), (1245, 30885), (1305, 29465), (1775, 21663), (2059, 18675), (2075, 18531), (2175, 17679), (2407, 15975), (3195, 12035), (3735, 10295), (5325, 7221), (5893, 6525), (6177, 6225)]