11958885

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 22239360

約数和(自身を除く): 10280475

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 71, 95, 171, 197, 213, 285, 355, 591, 639, 855, 985, 1065, 1349, 1773, 2955, 3195, 3743, 4047, 6745, 8865, 11229, 12141, 13987, 18715, 20235, 33687, 41961, 56145, 60705, 69935, 125883, 168435, 209805, 265753, 629415, 797259, 1328765, 2391777, 3986295, 11958885]

約数ペア:

[(1, 11958885), (3, 3986295), (5, 2391777), (9, 1328765), (15, 797259), (19, 629415), (45, 265753), (57, 209805), (71, 168435), (95, 125883), (171, 69935), (197, 60705), (213, 56145), (285, 41961), (355, 33687), (591, 20235), (639, 18715), (855, 13987), (985, 12141), (1065, 11229), (1349, 8865), (1773, 6745), (2955, 4047), (3195, 3743)]