639841605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{3041}}^1$

素因数の和:3158

約数の個数: 48

約数和(自身を含む): 1122278976

約数和(自身を除く): 482437371

約数列:

[1, 3, 5, 13, 15, 39, 65, 83, 169, 195, 249, 415, 507, 845, 1079, 1245, 2535, 3041, 3237, 5395, 9123, 14027, 15205, 16185, 39533, 42081, 45615, 70135, 118599, 197665, 210405, 252403, 513929, 592995, 757209, 1262015, 1541787, 2569645, 3281239, 3786045, 7708935, 9843717, 16406195, 42656107, 49218585, 127968321, 213280535, 639841605]

約数ペア:

[(1, 639841605), (3, 213280535), (5, 127968321), (13, 49218585), (15, 42656107), (39, 16406195), (65, 9843717), (83, 7708935), (169, 3786045), (195, 3281239), (249, 2569645), (415, 1541787), (507, 1262015), (845, 757209), (1079, 592995), (1245, 513929), (2535, 252403), (3041, 210405), (3237, 197665), (5395, 118599), (9123, 70135), (14027, 45615), (15205, 42081), (16185, 39533)]