13210275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{797}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 24935904

約数和(自身を除く): 11725629

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 797, 975, 1105, 1275, 2391, 3315, 3985, 5525, 10361, 11955, 13549, 16575, 19925, 31083, 40647, 51805, 59775, 67745, 155415, 176137, 203235, 259025, 338725, 528411, 777075, 880685, 1016175, 2642055, 4403425, 13210275]

約数ペア:

[(1, 13210275), (3, 4403425), (5, 2642055), (13, 1016175), (15, 880685), (17, 777075), (25, 528411), (39, 338725), (51, 259025), (65, 203235), (75, 176137), (85, 155415), (195, 67745), (221, 59775), (255, 51805), (325, 40647), (425, 31083), (663, 19925), (797, 16575), (975, 13549), (1105, 11955), (1275, 10361), (2391, 5525), (3315, 3985)]