40142193

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 70963200

約数和(自身を除く): 30821007

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 71, 91, 109, 133, 213, 247, 273, 327, 399, 497, 741, 763, 923, 1349, 1417, 1491, 1729, 2071, 2289, 2769, 4047, 4251, 5187, 6213, 6461, 7739, 9443, 9919, 14497, 17537, 19383, 23217, 26923, 28329, 29757, 43491, 52611, 54173, 80769, 100607, 122759, 147041, 162519, 188461, 301821, 368277, 441123, 565383, 704249, 1029287, 1911533, 2112747, 3087861, 5734599, 13380731, 40142193]

約数ペア:

[(1, 40142193), (3, 13380731), (7, 5734599), (13, 3087861), (19, 2112747), (21, 1911533), (39, 1029287), (57, 704249), (71, 565383), (91, 441123), (109, 368277), (133, 301821), (213, 188461), (247, 162519), (273, 147041), (327, 122759), (399, 100607), (497, 80769), (741, 54173), (763, 52611), (923, 43491), (1349, 29757), (1417, 28329), (1491, 26923), (1729, 23217), (2071, 19383), (2289, 17537), (2769, 14497), (4047, 9919), (4251, 9443), (5187, 7739), (6213, 6461)]