123572031

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 203129856

約数和(自身を除く): 79557825

約数列:

[1, 3, 11, 17, 23, 33, 51, 61, 69, 157, 183, 187, 253, 391, 471, 561, 671, 759, 1037, 1173, 1403, 1727, 2013, 2669, 3111, 3611, 4209, 4301, 5181, 8007, 9577, 10833, 11407, 12903, 15433, 23851, 28731, 29359, 34221, 39721, 46299, 61387, 71553, 88077, 105347, 119163, 162809, 184161, 220271, 262361, 316041, 488427, 660813, 675257, 787083, 1790899, 2025771, 2422981, 3744607, 5372697, 7268943, 11233821, 41190677, 123572031]

約数ペア:

[(1, 123572031), (3, 41190677), (11, 11233821), (17, 7268943), (23, 5372697), (33, 3744607), (51, 2422981), (61, 2025771), (69, 1790899), (157, 787083), (183, 675257), (187, 660813), (253, 488427), (391, 316041), (471, 262361), (561, 220271), (671, 184161), (759, 162809), (1037, 119163), (1173, 105347), (1403, 88077), (1727, 71553), (2013, 61387), (2669, 46299), (3111, 39721), (3611, 34221), (4209, 29359), (4301, 28731), (5181, 23851), (8007, 15433), (9577, 12903), (10833, 11407)]