72720081

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{751}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 126696960

約数和(自身を除く): 53976879

約数列:

[1, 3, 7, 9, 21, 29, 53, 63, 87, 159, 203, 261, 371, 477, 609, 751, 1113, 1537, 1827, 2253, 3339, 4611, 5257, 6759, 10759, 13833, 15771, 21779, 32277, 39803, 47313, 65337, 96831, 119409, 152453, 196011, 278621, 358227, 457359, 835863, 1154287, 1372077, 2507589, 3462861, 8080009, 10388583, 24240027, 72720081]

約数ペア:

[(1, 72720081), (3, 24240027), (7, 10388583), (9, 8080009), (21, 3462861), (29, 2507589), (53, 1372077), (63, 1154287), (87, 835863), (159, 457359), (203, 358227), (261, 278621), (371, 196011), (477, 152453), (609, 119409), (751, 96831), (1113, 65337), (1537, 47313), (1827, 39803), (2253, 32277), (3339, 21779), (4611, 15771), (5257, 13833), (6759, 10759)]