209084865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{7001}}^1$

素因数の和:7201

約数の個数: 32

約数和(自身を含む): 367016832

約数和(自身を除く): 157931967

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 181, 543, 905, 1991, 2715, 5973, 7001, 9955, 21003, 29865, 35005, 77011, 105015, 231033, 385055, 1155165, 1267181, 3801543, 6335905, 13938991, 19007715, 41816973, 69694955, 209084865]

約数ペア:

[(1, 209084865), (3, 69694955), (5, 41816973), (11, 19007715), (15, 13938991), (33, 6335905), (55, 3801543), (165, 1267181), (181, 1155165), (543, 385055), (905, 231033), (1991, 105015), (2715, 77011), (5973, 35005), (7001, 29865), (9955, 21003)]