61391505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 120158208

約数和(自身を除く): 58766703

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 163, 211, 255, 357, 489, 595, 633, 815, 1055, 1141, 1477, 1785, 2445, 2771, 3165, 3423, 3587, 4431, 5705, 7385, 8313, 10761, 13855, 17115, 17935, 19397, 22155, 25109, 34393, 41565, 53805, 58191, 75327, 96985, 103179, 125545, 171965, 240751, 290955, 376635, 515895, 584681, 722253, 1203755, 1754043, 2923405, 3611265, 4092767, 8770215, 12278301, 20463835, 61391505]

約数ペア:

[(1, 61391505), (3, 20463835), (5, 12278301), (7, 8770215), (15, 4092767), (17, 3611265), (21, 2923405), (35, 1754043), (51, 1203755), (85, 722253), (105, 584681), (119, 515895), (163, 376635), (211, 290955), (255, 240751), (357, 171965), (489, 125545), (595, 103179), (633, 96985), (815, 75327), (1055, 58191), (1141, 53805), (1477, 41565), (1785, 34393), (2445, 25109), (2771, 22155), (3165, 19397), (3423, 17935), (3587, 17115), (4431, 13855), (5705, 10761), (7385, 8313)]