210530817

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{49877}}^1$

素因数の和:49957

約数の個数: 24

約数和(自身を含む): 352737216

約数和(自身を除く): 142206399

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 49877, 149631, 349139, 448893, 1047417, 3142251, 3341759, 10025277, 23392313, 30075831, 70176939, 210530817]

約数ペア:

[(1, 210530817), (3, 70176939), (7, 30075831), (9, 23392313), (21, 10025277), (63, 3341759), (67, 3142251), (201, 1047417), (469, 448893), (603, 349139), (1407, 149631), (4221, 49877)]