13189725

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 54

約数和(自身を含む): 24811098

約数和(自身を除く): 11621373

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 61, 75, 93, 155, 183, 225, 279, 305, 465, 549, 775, 915, 961, 1395, 1525, 1891, 2325, 2745, 2883, 4575, 4805, 5673, 6975, 8649, 9455, 13725, 14415, 17019, 24025, 28365, 43245, 47275, 58621, 72075, 85095, 141825, 175863, 216225, 293105, 425475, 527589, 879315, 1465525, 2637945, 4396575, 13189725]

約数ペア:

[(1, 13189725), (3, 4396575), (5, 2637945), (9, 1465525), (15, 879315), (25, 527589), (31, 425475), (45, 293105), (61, 216225), (75, 175863), (93, 141825), (155, 85095), (183, 72075), (225, 58621), (279, 47275), (305, 43245), (465, 28365), (549, 24025), (775, 17019), (915, 14415), (961, 13725), (1395, 9455), (1525, 8649), (1891, 6975), (2325, 5673), (2745, 4805), (2883, 4575)]