813447

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 1272960

約数和(自身を除く): 459513

約数列:

[1, 3, 9, 19, 57, 67, 71, 171, 201, 213, 603, 639, 1273, 1349, 3819, 4047, 4757, 11457, 12141, 14271, 42813, 90383, 271149, 813447]

約数ペア:

[(1, 813447), (3, 271149), (9, 90383), (19, 42813), (57, 14271), (67, 12141), (71, 11457), (171, 4757), (201, 4047), (213, 3819), (603, 1349), (639, 1273)]