40706721

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 72749664

約数和(自身を除く): 32042943

約数列:

[1, 3, 9, 11, 17, 19, 33, 51, 57, 67, 99, 153, 171, 187, 201, 209, 323, 361, 561, 603, 627, 737, 969, 1083, 1139, 1273, 1683, 1881, 2211, 2907, 3249, 3417, 3553, 3819, 3971, 6137, 6633, 10251, 10659, 11457, 11913, 12529, 14003, 18411, 21641, 24187, 31977, 35739, 37587, 42009, 55233, 64923, 67507, 72561, 112761, 126027, 194769, 202521, 217683, 238051, 266057, 411179, 607563, 714153, 798171, 1233537, 2142459, 2394513, 3700611, 4522969, 13568907, 40706721]

約数ペア:

[(1, 40706721), (3, 13568907), (9, 4522969), (11, 3700611), (17, 2394513), (19, 2142459), (33, 1233537), (51, 798171), (57, 714153), (67, 607563), (99, 411179), (153, 266057), (171, 238051), (187, 217683), (201, 202521), (209, 194769), (323, 126027), (361, 112761), (561, 72561), (603, 67507), (627, 64923), (737, 55233), (969, 42009), (1083, 37587), (1139, 35739), (1273, 31977), (1683, 24187), (1881, 21641), (2211, 18411), (2907, 14003), (3249, 12529), (3417, 11913), (3553, 11457), (3819, 10659), (3971, 10251), (6137, 6633)]