21183506175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{156307}}^1$

素因数の和:156472

約数の個数: 48

約数和(自身を含む): 37989096320

約数和(自身を除く): 16805590145

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 139, 195, 325, 417, 695, 975, 1807, 2085, 3475, 5421, 9035, 10425, 27105, 45175, 135525, 156307, 468921, 781535, 2031991, 2344605, 3907675, 6095973, 10159955, 11723025, 21726673, 30479865, 50799775, 65180019, 108633365, 152399325, 282446749, 325900095, 543166825, 847340247, 1412233745, 1629500475, 4236701235, 7061168725, 21183506175]

約数ペア:

[(1, 21183506175), (3, 7061168725), (5, 4236701235), (13, 1629500475), (15, 1412233745), (25, 847340247), (39, 543166825), (65, 325900095), (75, 282446749), (139, 152399325), (195, 108633365), (325, 65180019), (417, 50799775), (695, 30479865), (975, 21726673), (1807, 11723025), (2085, 10159955), (3475, 6095973), (5421, 3907675), (9035, 2344605), (10425, 2031991), (27105, 781535), (45175, 468921), (135525, 156307)]