13981005

素因数分解:

$3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 25893504

約数和(自身を除く): 11912499

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 243, 311, 333, 405, 555, 933, 999, 1215, 1555, 1665, 2799, 2997, 4665, 4995, 8397, 8991, 11507, 13995, 14985, 25191, 34521, 41985, 44955, 57535, 75573, 103563, 125955, 172605, 310689, 377865, 517815, 932067, 1553445, 2796201, 4660335, 13981005]

約数ペア:

[(1, 13981005), (3, 4660335), (5, 2796201), (9, 1553445), (15, 932067), (27, 517815), (37, 377865), (45, 310689), (81, 172605), (111, 125955), (135, 103563), (185, 75573), (243, 57535), (311, 44955), (333, 41985), (405, 34521), (555, 25191), (933, 14985), (999, 13995), (1215, 11507), (1555, 8991), (1665, 8397), (2799, 4995), (2997, 4665)]