142649073

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 252887040

約数和(自身を除く): 110237967

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 97, 189, 217, 251, 279, 291, 651, 679, 753, 837, 873, 1757, 1953, 2037, 2259, 2619, 3007, 5271, 5859, 6111, 6777, 7781, 9021, 15813, 18333, 21049, 23343, 24347, 27063, 47439, 54467, 63147, 70029, 73041, 81189, 163401, 170429, 189441, 210087, 219123, 490203, 511287, 568323, 657369, 754757, 1470609, 1533861, 2264271, 4601583, 5283299, 6792813, 15849897, 20378439, 47549691, 142649073]

約数ペア:

[(1, 142649073), (3, 47549691), (7, 20378439), (9, 15849897), (21, 6792813), (27, 5283299), (31, 4601583), (63, 2264271), (93, 1533861), (97, 1470609), (189, 754757), (217, 657369), (251, 568323), (279, 511287), (291, 490203), (651, 219123), (679, 210087), (753, 189441), (837, 170429), (873, 163401), (1757, 81189), (1953, 73041), (2037, 70029), (2259, 63147), (2619, 54467), (3007, 47439), (5271, 27063), (5859, 24347), (6111, 23343), (6777, 21049), (7781, 18333), (9021, 15813)]