13203855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 26417664

約数和(自身を除く): 13213809

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 167, 251, 315, 501, 753, 835, 1169, 1255, 1503, 1757, 2259, 2505, 3507, 3765, 5271, 5845, 7515, 8785, 10521, 11295, 15813, 17535, 26355, 41917, 52605, 79065, 125751, 209585, 293419, 377253, 628755, 880257, 1467095, 1886265, 2640771, 4401285, 13203855]

約数ペア:

[(1, 13203855), (3, 4401285), (5, 2640771), (7, 1886265), (9, 1467095), (15, 880257), (21, 628755), (35, 377253), (45, 293419), (63, 209585), (105, 125751), (167, 79065), (251, 52605), (315, 41917), (501, 26355), (753, 17535), (835, 15813), (1169, 11295), (1255, 10521), (1503, 8785), (1757, 7515), (2259, 5845), (2505, 5271), (3507, 3765)]