639209097

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 1016582400

約数和(自身を除く): 377373303

約数列:

[1, 3, 9, 27, 29, 53, 73, 87, 159, 211, 219, 261, 477, 633, 657, 783, 1431, 1537, 1899, 1971, 2117, 3869, 4611, 5697, 6119, 6351, 11183, 11607, 13833, 15403, 18357, 19053, 33549, 34821, 41499, 46209, 55071, 57159, 100647, 104463, 112201, 138627, 165213, 301941, 324307, 336603, 415881, 446687, 816359, 972921, 1009809, 1340061, 2449077, 2918763, 3029427, 4020183, 7347231, 8756289, 12060549, 22041693, 23674411, 71023233, 213069699, 639209097]

約数ペア:

[(1, 639209097), (3, 213069699), (9, 71023233), (27, 23674411), (29, 22041693), (53, 12060549), (73, 8756289), (87, 7347231), (159, 4020183), (211, 3029427), (219, 2918763), (261, 2449077), (477, 1340061), (633, 1009809), (657, 972921), (783, 816359), (1431, 446687), (1537, 415881), (1899, 336603), (1971, 324307), (2117, 301941), (3869, 165213), (4611, 138627), (5697, 112201), (6119, 104463), (6351, 100647), (11183, 57159), (11607, 55071), (13833, 46209), (15403, 41499), (18357, 34821), (19053, 33549)]