217414665

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{67}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 432512640

約数和(自身を除く): 215097975

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 43, 45, 65, 67, 117, 129, 135, 195, 201, 215, 335, 351, 387, 559, 585, 603, 645, 871, 1005, 1161, 1677, 1755, 1809, 1849, 1935, 2613, 2795, 2881, 3015, 4355, 5031, 5547, 5805, 7839, 8385, 8643, 9045, 9245, 13065, 14405, 15093, 16641, 23517, 24037, 25155, 25929, 27735, 37453, 39195, 43215, 49923, 72111, 75465, 77787, 83205, 112359, 117585, 120185, 123883, 129645, 187265, 216333, 249615, 337077, 360555, 371649, 388935, 561795, 619415, 648999, 1011231, 1081665, 1114947, 1610479, 1685385, 1858245, 3244995, 3344841, 4831437, 5056155, 5574735, 8052395, 14494311, 16724205, 24157185, 43482933, 72471555, 217414665]

約数ペア:

[(1, 217414665), (3, 72471555), (5, 43482933), (9, 24157185), (13, 16724205), (15, 14494311), (27, 8052395), (39, 5574735), (43, 5056155), (45, 4831437), (65, 3344841), (67, 3244995), (117, 1858245), (129, 1685385), (135, 1610479), (195, 1114947), (201, 1081665), (215, 1011231), (335, 648999), (351, 619415), (387, 561795), (559, 388935), (585, 371649), (603, 360555), (645, 337077), (871, 249615), (1005, 216333), (1161, 187265), (1677, 129645), (1755, 123883), (1809, 120185), (1849, 117585), (1935, 112359), (2613, 83205), (2795, 77787), (2881, 75465), (3015, 72111), (4355, 49923), (5031, 43215), (5547, 39195), (5805, 37453), (7839, 27735), (8385, 25929), (8643, 25155), (9045, 24037), (9245, 23517), (13065, 16641), (14405, 15093)]