207965505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 387680256

約数和(自身を除く): 179714751

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 151, 165, 187, 255, 453, 491, 561, 755, 935, 1473, 1661, 2265, 2455, 2567, 2805, 4983, 5401, 7365, 7701, 8305, 8347, 12835, 16203, 24915, 25041, 27005, 28237, 38505, 41735, 74141, 81015, 84711, 91817, 125205, 141185, 222423, 275451, 370705, 423555, 459085, 815551, 1112115, 1260397, 1377255, 2446653, 3781191, 4077755, 6301985, 12233265, 13864367, 18905955, 41593101, 69321835, 207965505]

約数ペア:

[(1, 207965505), (3, 69321835), (5, 41593101), (11, 18905955), (15, 13864367), (17, 12233265), (33, 6301985), (51, 4077755), (55, 3781191), (85, 2446653), (151, 1377255), (165, 1260397), (187, 1112115), (255, 815551), (453, 459085), (491, 423555), (561, 370705), (755, 275451), (935, 222423), (1473, 141185), (1661, 125205), (2265, 91817), (2455, 84711), (2567, 81015), (2805, 74141), (4983, 41735), (5401, 38505), (7365, 28237), (7701, 27005), (8305, 25041), (8347, 24915), (12835, 16203)]