13156275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 24427008

約数和(自身を除く): 11270733

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 55, 75, 111, 165, 185, 275, 407, 431, 555, 825, 925, 1221, 1293, 2035, 2155, 2775, 4741, 6105, 6465, 10175, 10775, 14223, 15947, 23705, 30525, 32325, 47841, 71115, 79735, 118525, 175417, 239205, 355575, 398675, 526251, 877085, 1196025, 2631255, 4385425, 13156275]

約数ペア:

[(1, 13156275), (3, 4385425), (5, 2631255), (11, 1196025), (15, 877085), (25, 526251), (33, 398675), (37, 355575), (55, 239205), (75, 175417), (111, 118525), (165, 79735), (185, 71115), (275, 47841), (407, 32325), (431, 30525), (555, 23705), (825, 15947), (925, 14223), (1221, 10775), (1293, 10175), (2035, 6465), (2155, 6105), (2775, 4741)]