1213156959

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{7457}}^1$

素因数の和:7655

約数の個数: 32

約数和(自身を含む): 1893974016

約数和(自身を除く): 680817057

約数列:

[1, 3, 7, 21, 61, 127, 183, 381, 427, 889, 1281, 2667, 7457, 7747, 22371, 23241, 52199, 54229, 156597, 162687, 454877, 947039, 1364631, 2841117, 3184139, 6629273, 9552417, 19887819, 57769379, 173308137, 404385653, 1213156959]

約数ペア:

[(1, 1213156959), (3, 404385653), (7, 173308137), (21, 57769379), (61, 19887819), (127, 9552417), (183, 6629273), (381, 3184139), (427, 2841117), (889, 1364631), (1281, 947039), (2667, 454877), (7457, 162687), (7747, 156597), (22371, 54229), (23241, 52199)]