1561965951

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{13033}}^1$

素因数の和:13495

約数の個数: 32

約数和(自身を含む): 2569262080

約数和(自身を除く): 1007296129

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 439, 1317, 3073, 5707, 9219, 13033, 17121, 39099, 39949, 91231, 119847, 169429, 273693, 508287, 1186003, 3558009, 5721487, 17164461, 40050409, 74379331, 120151227, 223137993, 520655317, 1561965951]

約数ペア:

[(1, 1561965951), (3, 520655317), (7, 223137993), (13, 120151227), (21, 74379331), (39, 40050409), (91, 17164461), (273, 5721487), (439, 3558009), (1317, 1186003), (3073, 508287), (5707, 273693), (9219, 169429), (13033, 119847), (17121, 91231), (39099, 39949)]