2157375165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{823}}^1\times {\mathrm{15887}}^1$

素因数の和:16729

約数の個数: 32

約数和(自身を含む): 3770413056

約数和(自身を除く): 1613037891

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 823, 2469, 4115, 9053, 12345, 15887, 27159, 45265, 47661, 79435, 135795, 174757, 238305, 524271, 873785, 2621355, 13075001, 39225003, 65375005, 143825011, 196125015, 431475033, 719125055, 2157375165]

約数ペア:

[(1, 2157375165), (3, 719125055), (5, 431475033), (11, 196125015), (15, 143825011), (33, 65375005), (55, 39225003), (165, 13075001), (823, 2621355), (2469, 873785), (4115, 524271), (9053, 238305), (12345, 174757), (15887, 135795), (27159, 79435), (45265, 47661)]