243630891

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 430230528

約数和(自身を除く): 186599637

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 71, 93, 147, 213, 217, 251, 279, 441, 497, 639, 651, 753, 1491, 1519, 1757, 1953, 2201, 2259, 3479, 4473, 4557, 5271, 6603, 7781, 10437, 12299, 13671, 15407, 15813, 17821, 19809, 23343, 31311, 36897, 46221, 53463, 54467, 70029, 107849, 110691, 124747, 138663, 160389, 163401, 323547, 374241, 381269, 490203, 552451, 873229, 970641, 1122723, 1143807, 1657353, 2619687, 3431421, 3867157, 4972059, 7859061, 11601471, 27070099, 34804413, 81210297, 243630891]

約数ペア:

[(1, 243630891), (3, 81210297), (7, 34804413), (9, 27070099), (21, 11601471), (31, 7859061), (49, 4972059), (63, 3867157), (71, 3431421), (93, 2619687), (147, 1657353), (213, 1143807), (217, 1122723), (251, 970641), (279, 873229), (441, 552451), (497, 490203), (639, 381269), (651, 374241), (753, 323547), (1491, 163401), (1519, 160389), (1757, 138663), (1953, 124747), (2201, 110691), (2259, 107849), (3479, 70029), (4473, 54467), (4557, 53463), (5271, 46221), (6603, 36897), (7781, 31311), (10437, 23343), (12299, 19809), (13671, 17821), (15407, 15813)]