13920027

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^2$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 21456960

約数和(自身を除く): 7536933

約数列:

[1, 3, 11, 19, 33, 57, 149, 209, 447, 627, 1639, 2831, 4917, 8493, 22201, 31141, 66603, 93423, 244211, 421819, 732633, 1265457, 4640009, 13920027]

約数ペア:

[(1, 13920027), (3, 4640009), (11, 1265457), (19, 732633), (33, 421819), (57, 244211), (149, 93423), (209, 66603), (447, 31141), (627, 22201), (1639, 8493), (2831, 4917)]